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A172862 Number of n X n 0..5 arrays with row sums 5 and column sums 5. 4
1, 1, 6, 231, 40176, 22069251, 30767936616, 94161778046406, 569304690994400256, 6274236760589024662176, 118285830126660123474844752, 3623440212198461411381072575512, 172850452498398420310370097345242112 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

R. H. Hardin, Table of n, a(n) for n = 0..35

M. L. Stein and P. R. Stein, Enumeration of Stochastic Matrices with Integer Elements, Report LA-4434, Los Alamos Scientific Laboratory of the University of California, Los Alamos, NM, Jun 1970. [Annotated scanned copy]

CROSSREFS

Column k=5 of A257493.

Sequence in context: A112001 A286314 A099124 * A099129 A286392 A221926

Adjacent sequences:  A172859 A172860 A172861 * A172863 A172864 A172865

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 06 2010

STATUS

approved

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Last modified January 29 07:03 EST 2020. Contains 331337 sequences. (Running on oeis4.)