A203784 Number of (n+1)X6 0..3 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

93578, 38244007, 42858325343, 43960759831841, 36832573887843946, 25396150957664543872, 14840534395425885503779, 7528124494277716464494686, 3376948985825556038420624280, 1358796512884129477227381718658

Offset

1,1

Comments

Column 5 of A203787

Links

R. H. Hardin, Table of n, a(n) for n = 1..26

Example

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

Crossrefs

Sequence in context: A128277 A237682 A023945 * A206683 A234215 A200216

Adjacent sequences: A203781 A203782 A203783 * A203785 A203786 A203787

Keyword

nonn

Author

R. H. Hardin Jan 05 2012

Status

approved