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A172858 Number of n X n 0..5 arrays with row sums 7 and column sums 7. 1
0, 4, 432, 305872, 863754620, 7977812965920, 206239836523724193, 13199605245131506373760, 1895476867367724956193779520, 563701189834142639263745251516800 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

R. H. Hardin, Table of n, a(n) for n=1..20

CROSSREFS

Sequence in context: A201980 A080321 A264469 * A125760 A053780 A159514

Adjacent sequences:  A172855 A172856 A172857 * A172859 A172860 A172861

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 06 2010

STATUS

approved

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Last modified July 4 19:50 EDT 2022. Contains 355084 sequences. (Running on oeis4.)