A251356 Number of (n+1)X(5+1) 0..3 arrays with no 2X2 subblock having its maximum diagonal element less than the absolute difference of its antidiagonal elements

7279536, 14522811996, 28911058486029, 57599526297754843, 114759773653630134486, 228648289988622704385854, 455562927063978805202146318, 907671741743150889238106215589

Offset

1,1

Comments

Column 5 of A251359

Links

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

Example

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

Crossrefs

Sequence in context: A253469 A325606 A157378 * A116236 A116259 A158256

Adjacent sequences: A251353 A251354 A251355 * A251357 A251358 A251359

Keyword

nonn

Author

R. H. Hardin, Dec 01 2014

Status

approved