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 A102078 #2 Apr 30 2014 01:31:35 %S A102078 0,1,3,12,69,552,5901,81444,1411197,30006624,768410349,23329316316, %T A102078 828656935485,34046249891736,1602162894386157,85614553733396628, %U A102078 5155811948641383933,347560275319797255888,26069526814633439369325 %N A102078 Second column of triangle A014784. %K A102078 nonn %O A102078 1,3 %A A102078 _Ralf Stephan_, Jan 03 2005