A250978 Number of (n+1)X(4+1) 0..2 arrays with no 2X2 subblock having the sum of its diagonal elements less than the absolute difference of its antidiagonal elements

35381, 5598430, 883387252, 139471732486, 22020178055066, 3476591604928509, 548891857207523016, 86660272180224040474, 13682117100301993675816, 2160163148259481022075648, 341051373664998454076089538

Offset

1,1

Comments

Column 4 of A250982

Links

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

R. H. Hardin, Empirical recurrence of order 97

Formula

Empirical recurrence of order 97 (see link above)

Example

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

Crossrefs

Sequence in context: A254890 A187855 A300762 * A282129 A203337 A184002

Adjacent sequences: A250975 A250976 A250977 * A250979 A250980 A250981

Keyword

nonn

Author

R. H. Hardin, Nov 29 2014

Status

approved