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 A051502 #29 Aug 12 2024 13:23:14
%S A051502 2,1,2,23,3904,134156284,288230371925149328,
%T A051502 2658455991569831727504985413859223552,
%U A051502 452312848583266388373324160190187139712882738675004907244383829401569627136
%N A051502 Number of asymmetric types of Boolean functions of n variables under action of complementing group C(n,2).
%H A051502 G. C. Greubel, <a href="/A051502/b051502.txt">Table of n, a(n) for n = 0..11</a>
%H A051502 <a href="/index/Bo#Boolean">Index entries for sequences related to Boolean functions</a>
%F A051502 a(n) = (1/2^n)*Sum_{j=0..n} (-1)^j*2^(C(j, 2))*[ n, j ]*2^(2^(n-j)), where [ n, j ] is the Gaussian 2-binomial coefficient.
%t A051502 Table[1/(2^n)*Sum[(-1)^j*2^(Binomial[j, 2])*QBinomial[n, j, 2]*2^(2^(n-j)), {j,0,n}], {n,0,10}] (* _G. C. Greubel_, Feb 15 2018 *)
%K A051502 easy,nonn
%O A051502 0,1
%A A051502 _Vladeta Jovovic_
%E A051502 a(7)-a(8) from _G. C. Greubel_, Feb 15 2018