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A172860 Number of n X n 0..5 arrays with row sums 9 and column sums 9 1
0, 2, 355, 838792, 10177326885, 502857653609080, 84763676021354613990, 42550449824987801797296000, 57040154877904164444585301792867, 186651541822247767681950912578484269400 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

R. H. Hardin, Table of n, a(n) for n=1..15

CROSSREFS

Sequence in context: A012669 A278926 A187523 * A164700 A230688 A325629

Adjacent sequences:  A172857 A172858 A172859 * A172861 A172862 A172863

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 06 2010

STATUS

approved

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Last modified January 16 23:26 EST 2022. Contains 350377 sequences. (Running on oeis4.)