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 A028405 #17 Dec 17 2021 00:53:15 %S A028405 3,6,16,76,2529,935339497,2060570964519821009024090, %T A028405 21566641941095278268628659206747626784474429009806143425562 %N A028405 Number of equivalence classes of Boolean functions of n variables under action of M(n,2). %C A028405 Group M(n,2) is semi-direct product of LSD(n,2) (cf. A028407) and complementing group C(n,2). %D A028405 V. Jovovic, The cycle index polynomials of some classical groups, Belgrade, 1995, unpublished. %H A028405 V. Jovovic, <a href="/A062766/a062766.pdf">Cycle indices</a> %H A028405 I. Strazdins, <a href="https://doi.org/10.1023/A:1005769927571">Universal affine classification of Boolean functions</a>, Acta Applic. Math. 46 (1997), 147-167. %H A028405 <a href="/index/Bo#Boolean">Index entries for sequences related to Boolean functions</a> %Y A028405 Cf. A000214, A049461. %K A028405 nonn,nice %O A028405 1,1 %A A028405 _N. J. A. Sloane_ %E A028405 More terms from _Vladeta Jovovic_