A331652 Number of binary matrices with n columns and any number of distinct nonzero rows with 4 ones in every column and columns in nonincreasing lexicographic order.

1, 0, 0, 840, 771305, 1496866413, 5261551562405, 29862266595102105, 256001890048602731140, 3158251998655622915889925, 53980217006281640348184149417, 1239061499733946652592749224572554, 37220984154655168600230783138660824904, 1431711029036285286788945015739877116840914

Offset: 0

Author

Andrew Howroyd, Jan 24 2020

Keywords

• nonn

Links

• Andrew Howroyd, Table of n, a(n) for n = 0..50

Crossrefs

Row n=4 of A331571.