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 A274865 #3 Jul 09 2016 17:39:07 %S A274865 1,1,2,4,8,16,32,64,128,256,512,1024,2048,4096,8192,16384,32768,65664, %T A274865 131584,263680,528384,1058816,2121728,4251648,8519680,17121728, %U A274865 34424960,69234368,139262272,280139584,563542336,1133653568,2280506048,4609715712,9330877056 %N A274865 Number of set partitions of [n] such that the difference between each element and its index (in the partition) is a multiple of eight. %Y A274865 Column k=8 of A274859. %K A274865 nonn %O A274865 0,3 %A A274865 _Alois P. Heinz_, Jul 09 2016