A220879 Number of inequivalent monotone Boolean functions of n variables with no symmetries.

0, 1, 0, 0, 7, 7281, 468822749

Offset

1,5

Links

Table of n, a(n) for n=1..7.

Bartłomiej Pawelski, Counting and generating monotone Boolean functions, Doctoral Diss., Univ. Gdańsk, (Poland, 2024). See pp. 46, 49.

Bartlomiej Pawelski and Andrzej Szepietowski, Divisibility properties of Dedekind numbers, arXiv:2302.04615 [math.CO], 2023. See Table 6 p. 15.

Tamon Stephen and Timothy Yusun, Counting inequivalent monotone Boolean functions, arXiv preprint arXiv:1209.4623 [cs.DS], 2012.

Crossrefs

Cf. A003182.

Sequence in context: A068575 A158400 A221628 * A119528 A116266 A179812

Adjacent sequences: A220876 A220877 A220878 * A220880 A220881 A220882

Keyword

nonn,more,changed

Author

N. J. A. Sloane, Dec 28 2012

Extensions

a(7) from Bartlomiej Pawelski, Feb 10 2023

Status

approved