A203862 - OEIS

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A203862

Number of (n+1)X(n+1) 0..4 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) nondecreasing in column and row directions, respectively

205, 21635, 2935262, 443416660, 66135356129, 9455280188061, 1324162075797758, 188660753741911771, 28090704419759326277 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`Diagonal of A203870`
	LINKS	`Table of n, a(n) for n=1..9.`
	EXAMPLE	`Some solutions for n=4` `..3..4..4..4..4....1..0..4..3..3....4..2..2..2..4....1..1..0..4..3` `..3..4..4..4..4....0..1..3..4..4....2..4..4..4..4....1..1..2..3..4` `..3..4..4..4..4....1..0..4..4..4....3..4..4..4..4....4..4..4..4..4` `..3..4..4..4..4....3..4..4..4..4....3..4..4..4..4....4..4..4..4..4` `..3..4..4..4..4....3..4..4..4..4....3..4..4..4..4....4..4..4..4..4`
	CROSSREFS	`Sequence in context: A203889 A077457 A060892 * A015289 A203888 A188447` `Adjacent sequences: A203859 A203860 A203861 * A203863 A203864 A203865`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin Jan 07 2012`
	STATUS	`approved`

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Last modified May 19 14:31 EDT 2013. Contains 225432 sequences.