A203713 Number of (n+1)X5 0..5 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

680400, 1162808408, 2904393889106, 5669049948955178, 8737138311717893143, 11090877737628357276195, 11988542045840411405835744, 11300596116807754143327229001, 9453923215027903987303752123258

Offset

1,1

Comments

Column 4 of A203714

Links

R. H. Hardin, Table of n, a(n) for n = 1..21

Example

Some solutions for n=4
..2..1..4..0..5....3..0..1..3..4....4..5..5..5..5....0..1..5..3..2
..0..4..1..5..3....1..5..4..2..2....4..5..5..5..5....3..2..1..3..4
..2..2..5..2..4....5..2..3..5..4....4..5..5..5..5....0..5..3..3..2
..0..4..3..4..3....4..3..4..2..0....5..5..5..5..5....3..3..4..2..4
..1..3..4..5..5....5..3..0..2..3....5..5..5..5..5....2..4..3..3..3

Crossrefs

Sequence in context: A253875 A253541 A010095 * A236986 A258607 A081415

Adjacent sequences: A203710 A203711 A203712 * A203714 A203715 A203716

Keyword

nonn

Author

R. H. Hardin Jan 04 2012

Status

approved