%I M1241 N0475 #27 Oct 30 2022 15:43:13
%S 2,4,10,46,1372,475499108,1038397981840994509577948,
%T 10825608503765473087803384381127710579846422820261084889808
%N Number of Boolean functions of n variables.
%D N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%H M. A. Harrison, <a href="https://doi.org/10.1109/PGEC.1963.263656">The number of equivalence classes of Boolean functions under groups containing negation</a>, IEEE Trans. Electron. Comput. 12 (1963), 559-561.
%H M. A. Harrison, <a href="/A000370/a000370.pdf">The number of equivalence classes of Boolean functions under groups containing negation</a>, IEEE Trans. Electron. Comput. 12 (1963), 559-561. [Annotated scanned copy]
%H M. A. Harrison, <a href="https://www.jstor.org/stable/2946369">On the classification of Boolean functions by the general linear and affine groups</a>, J. Soc. Indust. Appl. Math. 12 (1964) 285-299.
%H <a href="/index/Bo#Boolean">Index entries for sequences related to Boolean functions</a>
%F a(n) = A000585(n)/2. - _Sean A. Irvine_, Mar 21 2011
%Y Cf. A000585.
%K nonn,easy,nice
%O 1,1
%A _N. J. A. Sloane_
%E More terms from _Vladeta Jovovic_, Feb 23 2000