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A172621 Number of n X n 0..2 arrays with row sums 11 and column sums 11 1
0, 0, 0, 0, 0, 720, 3758757240, 57952896096182976, 2018328183128437950016800, 162526525004284727135887319788800, 29785621316391113552729016416250323294253 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,6

LINKS

R. H. Hardin, Table of n, a(n) for n=1..14

CROSSREFS

Sequence in context: A261427 A210280 A003926 * A294323 A072238 A271946

Adjacent sequences:  A172618 A172619 A172620 * A172622 A172623 A172624

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 06 2010

STATUS

approved

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Last modified December 4 12:29 EST 2021. Contains 349495 sequences. (Running on oeis4.)