A331716 - OEIS

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A331716

Number of nonequivalent binary matrices with n distinct columns and any number of distinct nonzero rows with 3 ones in every column up to permutation of rows and columns.

1, 0, 0, 3, 19, 141, 1571, 21928

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OFFSET

0,4

LINKS

Table of n, a(n) for n=0..7.

CROSSREFS

Row n=3 of A331509.

Sequence in context: A221266 A082758 A110525 * A058859 A291964 A333094

Adjacent sequences: A331713 A331714 A331715 * A331717 A331718 A331719

KEYWORD

nonn,more

AUTHOR

Andrew Howroyd, Feb 01 2020

STATUS

approved