A331642 - OEIS

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A331642

Number of binary matrices with 5 columns and any number of distinct nonzero rows with n ones in every column.

1, 541, 449520, 329520720, 179438982360, 70302503250720, 19330575525676800, 3970208270468160000, 607903979228432409600, 70957474321212775296000, 6333776843022254545920000, 419451089306915623845888000, 20409207470176316989317120000, 721332390787558700622151680000

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OFFSET

0,2

COMMENTS

The final term a(16) = 31! corresponds to the number of ways to order the 31 possible nonzero rows.

LINKS

Andrew Howroyd, Table of n, a(n) for n = 0..16

CROSSREFS

Column k=5 of A331567.

Cf. A331127.

Sequence in context: A320619 A218095 A293582 * A263065 A325217 A232707

Adjacent sequences: A331639 A331640 A331641 * A331643 A331644 A331645

KEYWORD

nonn,fini,full

AUTHOR

Andrew Howroyd, Jan 23 2020

STATUS

approved