A172858 Number of n X n 0..5 arrays with row sums 7 and column sums 7.

0, 4, 432, 305872, 863754620, 7977812965920, 206239836523724193, 13199605245131506373760, 1895476867367724956193779520, 563701189834142639263745251516800

Offset

1,2

Links

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

Crossrefs

Sequence in context: A360844 A264469 A369395 * A125760 A053780 A159514

Adjacent sequences: A172855 A172856 A172857 * A172859 A172860 A172861

Keyword

nonn

Author

R. H. Hardin, Feb 06 2010

Status

approved