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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 0
 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 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.