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A151807 Number of n X n binary arrays with rows, considered as binary numbers, in strictly increasing order, and columns, considered as binary numbers, in nondecreasing order, and no more than 7 ones in any row or column. 0
2, 4, 21, 330, 14610, 1820715, 653629616, 667836415941, 1773036223008518 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
CROSSREFS
Sequence in context: A151804 A151805 A151806 * A151808 A151809 A151801
KEYWORD
nonn
AUTHOR
R. H. Hardin Jun 27 2009
STATUS
approved

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Last modified May 24 16:32 EDT 2024. Contains 372781 sequences. (Running on oeis4.)