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 A028407 #16 Jul 08 2025 18:33:57 %S A028407 4,12,44,344,33328,58616531552,263752837930654539573558624, %T A028407 5521060336920386409400918079935910963482577804036340308751264 %N A028407 Number of equivalence classes of Boolean functions of n variables under action of LSD(n,2). %C A028407 Linear self-dual group LSD(n,2) is group of n X n non-singular matrices over GF(2) with odd number of units in each row. %D A028407 V. Jovovic, The cycle index polynomials of some classical groups, Belgrade, 1995, unpublished. %H A028407 V. Jovovic, <a href="/A062766/a062766.pdf">Cycle indices</a> %H A028407 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 A028407 <a href="/index/Bo#Boolean">Index entries for sequences related to Boolean functions</a> %Y A028407 Cf. A000585. %K A028407 nonn %O A028407 1,1 %A A028407 _N. J. A. Sloane_ %E A028407 More terms from _Vladeta Jovovic_