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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.
2
1, 0, 0, 840, 771305, 1496866413, 5261551562405, 29862266595102105, 256001890048602731140, 3158251998655622915889925, 53980217006281640348184149417, 1239061499733946652592749224572554, 37220984154655168600230783138660824904, 1431711029036285286788945015739877116840914
OFFSET
0,4
LINKS
CROSSREFS
Row n=4 of A331571.
Sequence in context: A091038 A121498 A331650 * A364179 A269894 A252780
KEYWORD
nonn
AUTHOR
Andrew Howroyd, Jan 24 2020
STATUS
approved