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 A182159 #16 Aug 15 2019 16:31:48 %S A182159 0,0,0,0,0,3,54,702,11133,270307,11989152,1018938516,165090950475, %T A182159 50502030531637,29054155654068636,31426485969792266148, %U A182159 64001015704527511927449,245935864153532932507714067,1787577725145611700547202431284,24637809253125004524383004890760310 %N A182159 a(n) = A000088(n) - A004251(n). %F A182159 a(n) = A000088(n) - A004251(n). %Y A182159 Cf. A000088, A004251, A122423. %K A182159 nonn,less %O A182159 0,6 %A A182159 _Jonathan Vos Post_, Apr 15 2012 %E A182159 Edited by _Alois P. Heinz_, Aug 15 2019