door xLerrie » zo 10 apr 2005, 20:24
Anonymous schreef:die site had ik reeds geraadpleegd
maar...
dan klopt het nietmeer voor het voorlaatste
2,4,6,9,12,17,20,25,28,31,34
8+17=25
9+19=28
10+23=33
dat komt omdat die rij fout was
(volgens deze bewering)
%I A048171
%S A048171 2,4,6,9,12,17,20,25,28,31,34
%N A048171 Erroneous version of A090178.
%D A048171 M. Feenstra, P. J. Carter and C. P. Harding, The Ultimate I.Q. Book, Wardlock, see p. 99.
%Y A048171 Adjacent sequences: A048168 A048169 A048170 this_sequence A048172 A048173 A048174
%Y A048171 Sequence in context: A024617 A025698 A022778 this_sequence A090178 A080548 A080556
%K A048171 dead
%O A048171 1,1
%I A090178
%S A090178 2,4,6,9,12,17,20,25,28,33,40,43,50,55,58,63,70,77,80,87,92,95,102,107,
%T A090178 114,123,128,131,136,139,144,159,164,171,174,185,188,195,202,207,214,
%U A090178 221,224,235,238,243,246,259,272,277,280,285,292,295,306,313,320,327
%N A090178 a(1) = 1; for n>1, a(n) = n + prime(n-1).
%C A090178 Sum of index n and the corresponding nth term of non-composite numbers (A008578).
%D A090178 M. Feenstra, P. J. Carter and C. P. Harding, The Ultimate I.Q. Book, Wardlock, see p. 99.
%e A090178 a(1)=1+1=2; a(2)=2+2=4; a(3)=3+3=6; a(4)=4+5=9; a(5)=5+7=12; a(6)=6+11=17; a(7)=7+13=20; a(8)=8+17=25; a(9)=9+19=28; ...
%Y A090178 The published version (A048171) is said to be incorrect.
%Y A090178 Adjacent sequences: A090175 A090176 A090177 this_sequence A090179 A090180 A090181
%Y A090178 Sequence in context: A025698 A022778 A048171 this_sequence A080548 A080556 A064985
%K A090178 nonn
%O A090178 1,1
%A A090178 Pab Ter (pabrlos(AT)yahoo.com), May 29 2004
[quote='Anonymous']die site had ik reeds geraadpleegd
maar...
dan klopt het nietmeer voor het voorlaatste
2,4,6,9,12,17,20,25,28,31,34
8+17=25
9+19=28
10+23=33
:shock: [/quote]
dat komt omdat die rij fout was
(volgens deze bewering)
%I A048171
%S A048171 2,4,6,9,12,17,20,25,28,31,34
%N A048171 Erroneous version of A090178.
%D A048171 M. Feenstra, P. J. Carter and C. P. Harding, The Ultimate I.Q. Book, Wardlock, see p. 99.
%Y A048171 Adjacent sequences: A048168 A048169 A048170 this_sequence A048172 A048173 A048174
%Y A048171 Sequence in context: A024617 A025698 A022778 this_sequence A090178 A080548 A080556
%K A048171 dead
%O A048171 1,1
%I A090178
%S A090178 2,4,6,9,12,17,20,25,28,33,40,43,50,55,58,63,70,77,80,87,92,95,102,107,
%T A090178 114,123,128,131,136,139,144,159,164,171,174,185,188,195,202,207,214,
%U A090178 221,224,235,238,243,246,259,272,277,280,285,292,295,306,313,320,327
%N A090178 a(1) = 1; for n>1, a(n) = n + prime(n-1).
%C A090178 Sum of index n and the corresponding nth term of non-composite numbers (A008578).
%D A090178 M. Feenstra, P. J. Carter and C. P. Harding, The Ultimate I.Q. Book, Wardlock, see p. 99.
%e A090178 a(1)=1+1=2; a(2)=2+2=4; a(3)=3+3=6; a(4)=4+5=9; a(5)=5+7=12; a(6)=6+11=17; a(7)=7+13=20; a(8)=8+17=25; a(9)=9+19=28; ...
%Y A090178 The published version (A048171) is said to be incorrect.
%Y A090178 Adjacent sequences: A090175 A090176 A090177 this_sequence A090179 A090180 A090181
%Y A090178 Sequence in context: A025698 A022778 A048171 this_sequence A080548 A080556 A064985
%K A090178 nonn
%O A090178 1,1
%A A090178 Pab Ter (pabrlos(AT)yahoo.com), May 29 2004
