%I M1818 N0721 #30 Jan 13 2019 15:57:29
%S 1,2,7,111,308063,100126976263592,131867858014413288241233435594064,
%T 2804519150441879896741320496043335469582478995067528608051651559815168
%N Number of Boolean functions of n variables.
%D M. A. Harrison, Introduction to Switching and Automata Theory. McGraw Hill, NY, 1965, p. 153 (divided by 2).
%D M. A. Harrison, The number of equivalence classes of Boolean functions under groups containing negation, IEEE Trans. Electron. Comput. 12 (1963), 559561.
%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 Sean A. Irvine, <a href="/A000157/b000157.txt">Table of n, a(n) for n = 1..11</a> (shortened by _N. J. A. Sloane_, Jan 13 2019)
%H <a href="/index/Bo#Boolean">Index entries for sequences related to Boolean functions</a>
%F a(n) = A000370(n)/2.  _Sean A. Irvine_, Feb 14 2012
%Y Cf. A000370.
%K nonn
%O 1,2
%A _N. J. A. Sloane_
%E More terms from _Sean A. Irvine_, Feb 13 2012
