A203786 Number of (n+1)X8 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

2103364, 4495376717, 65121080193243, 1066959581935799954, 14840534395425885503779

Offset

1,1

Comments

Column 7 of A203787

Links

Table of n, a(n) for n=1..5.

Example

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

Crossrefs

Sequence in context: A036099 A253058 A233979 * A295478 A043630 A252627

Adjacent sequences: A203783 A203784 A203785 * A203787 A203788 A203789

Keyword

nonn

Author

R. H. Hardin Jan 05 2012

Status

approved