A250837 Number of (n+1)X(4+1) 0..2 arrays with no 2X2 subblock having a diagonal absolute difference less than its antidiagonal absolute difference

12145, 633207, 33244665, 1751284191, 92293013405, 4864186536955, 256366497513917, 13511888452284935, 712150699209629089, 37534277281598455191, 1978264311111006739825, 104265496764534915902323

Offset

1,1

Comments

Column 4 of A250841

Links

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

R. H. Hardin, Empirical recurrence of order 70

Formula

Empirical recurrence of order 70 (see link above)

Example

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

Crossrefs

Sequence in context: A247690 A126847 A018235 * A234079 A298312 A167729

Adjacent sequences: A250834 A250835 A250836 * A250838 A250839 A250840

Keyword

nonn

Author

R. H. Hardin, Nov 27 2014

Status

approved