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 A000157 Number of Boolean functions of n variables. (Formerly M1818 N0721) 2

%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), 559-561.

%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

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Last modified December 9 23:06 EST 2023. Contains 367696 sequences. (Running on oeis4.)