This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A167275 #3 Mar 03 2013 14:21:01 %S A167275 1,4,4,8,4,8,8,16,4,8,8,16,8,16,16,32,4,8,8,16,8,16,16,32 %N A167275 Row sums of triangle A167274 (a variant of Gould's sequence A001316). %F A167275 Given Gould's sequence, A001316, (1, 2, 2, 4, 2, 4, 4, 8,...); for a(n)>1, %F A167275 a(n) = 2*A001316(n). %e A167275 a(3) = 8 = 2*A001316 = 2*4. a(3) = 8 = (1 + 3 + 3 + 1); where (1, 3, 3, 1) = row 3 of triangle A167274. %Y A167275 Cf. A167274 %K A167275 nonn %O A167275 0,2 %A A167275 _Gary W. Adamson_ & _Mats Granvik_, Oct 31 2009