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A331641
Number of binary matrices with n columns and any number of distinct nonzero rows with 3 ones in every column.
3
1, 0, 0, 1104, 413088, 329520720, 491236986720, 1181472603447024, 4293813878010363168, 22458802092186671702160, 162578056150830848930694240, 1578225306620809383358117044144, 20018143307386606584084592083087648, 324613983359213454501611571669979410000
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OFFSET
0,4
LINKS
Andrew Howroyd, Table of n, a(n) for n = 0..100
CROSSREFS
Row n=3 of A331567.
Cf. A331640.
Sequence in context: A022055 A008688 A107519 * A343084 A168629 A175521
Adjacent sequences: A331638 A331639 A331640 * A331642 A331643 A331644
KEYWORD
nonn
AUTHOR
Andrew Howroyd, Jan 23 2020
STATUS
approved

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Last modified October 5 05:43 EDT 2024. Contains 376530 sequences.
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