A172936 - OEIS

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A172936

Number of 3*n X n 0..7 arrays with row sums 7 and column sums 21

1, 18152, 513799394688, 3453235602818369547520, 1835784677576057001102381224194900, 37246115504386074787217299933684238287194514560 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	LINKS	`R. H. Hardin, Table of n, a(n) for n=1..10`
	CROSSREFS	`Sequence in context: A106769 A224571 A205242 * A025029 A030331 A023340` `Adjacent sequences: A172933 A172934 A172935 * A172937 A172938 A172939`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin Feb 06 2010`
	STATUS	`approved`

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Last modified June 19 19:50 EDT 2013. Contains 226416 sequences.