A250993 Number of (n+1)X(7+1) 0..2 arrays with nondecreasing min(x(i,j),x(i,j-1)) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction

95628, 934786, 7290819, 51107941, 340511877, 2187354714, 13747683580, 85050448183, 521103041332, 3172483290605, 19248353517300, 116595441402342, 706146697322567, 4279749251856378, 25973620268856053, 157903942281652090

Offset

1,1

Comments

Column 7 of A250994

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

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

Crossrefs

Sequence in context: A114660 A183967 A293372 * A235783 A235788 A235564

Adjacent sequences: A250990 A250991 A250992 * A250994 A250995 A250996

Keyword

nonn

Author

R. H. Hardin, Nov 29 2014

Status

approved