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A000725 Invertible Boolean functions of n variables.
(Formerly M2181 N0873)
0

%I M2181 N0873

%S 1,2,154,2270394624,571030462095782973206774552784,

%T 3824475917061034074298122508414160251634847335755905881951011420229530501911521280

%N Invertible Boolean functions of n variables.

%C Equivalence classes of invertible maps from {0,1}^n to {0,1}^n, under action of permutation of variables on the domain and permutation and complementation of the range. [_Sean A. Irvine_, Mar 16 2011]

%D M. A. Harrison, The number of classes of invertible Boolean functions, J. ACM 10 (1963), 25-28.

%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="/A000653/a000653.pdf">The number of classes of invertible Boolean functions</a>, J. ACM 10 (1963), 25-28. [Annotated scan of page 27 only]

%H <a href="/index/Bo#Boolean">Index entries for sequences related to Boolean functions</a>

%K nonn

%O 1,2

%A _N. J. A. Sloane_.

%E More terms from _Sean A. Irvine_, Mar 15 2011

%E a(6) corrected by _Sean A. Irvine_, May 29 2013

%E a(5) corrected by _Sean A. Irvine_, Jun 03 2013

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Last modified May 31 19:40 EDT 2020. Contains 334748 sequences. (Running on oeis4.)