A250591 Number of (n+1)X(7+1) 0..2 arrays with nondecreasing max(x(i,j),x(i,j-1)) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction.

110187, 855988, 5284985, 29029369, 145409040, 683598422, 3053953408, 13166219146, 55124490255, 225879886123, 908765970711, 3604876479157, 14125713583330, 54819266674854, 210967778385015, 806534713245176

Offset

1,1

Comments

Column 7 of A250592

Links

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

R. H. Hardin, Empirical recurrence of order 79

Formula

Empirical recurrence of order 79 (see link above)

Example

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

Crossrefs

Sequence in context: A368020 A138722 A122240 * A187114 A145872 A254853

Adjacent sequences: A250588 A250589 A250590 * A250592 A250593 A250594

Keyword

nonn

Author

R. H. Hardin, Nov 25 2014

Status

approved