A251488 Number of (n+1)X(5+1) 0..3 arrays with no 2X2 subblock having the sum of its diagonal elements less than the minimum of its antidiagonal elements

10830016, 29219848960, 78819515764397, 212595602301764864, 573419887491673696912, 1546645977595845122949056, 4171660889647765001349774656, 11251930882680888841675172679824

Offset

1,1

Comments

Column 5 of A251491

Links

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

Example

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

Crossrefs

Sequence in context: A344634 A071370 A203942 * A214245 A233621 A151909

Adjacent sequences: A251485 A251486 A251487 * A251489 A251490 A251491

Keyword

nonn

Author

R. H. Hardin, Dec 03 2014

Status

approved