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

Offset: 0

Author

Andrew Howroyd, Feb 01 2020

Keywords

• nonn
• more

Crossrefs

Row n=3 of A331509.