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A172873 Number of n X n 0..5 arrays with row sums n and column sums n 1
1, 3, 55, 10147, 22069251, 596500235301, 206239836523724193, 936518400276375286684035, 57040154877904164444585301792867, 47374533605081761722921471083862749119153 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

R. H. Hardin, Table of n, a(n) for n=1..12

CROSSREFS

Sequence in context: A119190 A172748 A172822 * A172907 A172932 A172950

Adjacent sequences:  A172870 A172871 A172872 * A172874 A172875 A172876

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 06 2010

STATUS

approved

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Last modified June 22 04:06 EDT 2021. Contains 345367 sequences. (Running on oeis4.)