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 A134308 #9 Jun 01 2023 15:36:43 %S A134308 1,2,1,4,4,2,8,12,12,4,16,32,48,32,8,32,80,160,160,80,16,64,192,480, %T A134308 640,480,192,32,128,448,1344,2240,2240,1344,448,64,256,1024,3584,7168, %U A134308 8960,7168,3584,1024,128,512,2304,9216,21504,32256,32256,21504,9216,2304,256 %N A134308 A007318 * A082137. %C A134308 row sums = A007582: (1, 3, 10, 36, 136, 528, ...). %F A134308 Binomial transform of A082137, as infinite lower triangular matrices. %e A134308 First few rows of the triangle: %e A134308 1; %e A134308 2, 1; %e A134308 4, 4, 2; %e A134308 8, 12, 12, 4; %e A134308 16, 32, 48, 32, 8; %e A134308 32, 80, 160, 160, 80, 16; %e A134308 ... %Y A134308 Cf. A007318, A007582, A082137. %K A134308 nonn,tabl %O A134308 0,2 %A A134308 _Gary W. Adamson_, Oct 19 2007 %E A134308 a(5), a(46) corrected, a(27), a(34) split by _Georg Fischer_, Jun 01 2023