A251200 Number of (n+1)X(7+1) 0..1 arrays with no 2X2 subblock having the minimum of its diagonal elements less than the absolute difference of its antidiagonal elements

2776, 56519, 1470646, 40413851, 1123772109, 31288421074, 871573835362, 24277088319379, 676255878222072, 18837220940506506, 524718651134030739, 14616198634540177367, 407139427300148180316, 11341004597156853141082

Offset

1,1

Comments

Column 7 of A251201

Links

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

R. H. Hardin, Empirical recurrence of order 56

Formula

Empirical recurrence of order 56 (see link above)

Example

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

Crossrefs

Sequence in context: A362876 A099691 A231739 * A188415 A236125 A251844

Adjacent sequences: A251197 A251198 A251199 * A251201 A251202 A251203

Keyword

nonn

Author

R. H. Hardin, Nov 30 2014

Status

approved