A203962 Number of (n+1)X6 0..2 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) such that rows of b(i,j) and columns of c(i,j) are lexicographically nondecreasing

5352, 276516, 45390107, 7594654075, 1111763853732, 136086136646160, 14200017143149033, 1287846430551372962, 103368087058383084428, 7449471107901921934366, 487682253853367153932607

Offset

1,1

Comments

Column 5 of A203965

Links

R. H. Hardin, Table of n, a(n) for n = 1..162

Example

Some solutions for n=4
..0..2..0..2..1..1....0..1..0..2..1..1....0..1..1..0..1..1....0..2..0..2..0..0
..2..0..2..1..2..2....1..0..2..0..1..1....2..1..1..2..2..2....2..0..2..0..2..2
..0..2..1..2..2..2....0..2..0..2..1..2....1..2..2..2..0..0....0..2..0..2..1..2
..2..2..2..2..0..1....1..1..2..1..2..2....1..2..2..2..1..1....2..0..2..1..2..0
..2..2..2..2..1..2....2..1..0..2..2..2....2..2..2..2..2..2....0..2..1..0..0..0

Crossrefs

Sequence in context: A204863 A259893 A206681 * A145770 A258074 A237295

Adjacent sequences: A203959 A203960 A203961 * A203963 A203964 A203965

Keyword

nonn

Author

R. H. Hardin Jan 08 2012

Status

approved