A251464 Number of (n+1)X(5+1) 0..2 arrays with every 2X2 subblock summing to a prime and those sums nondecreasing in every row and column

5926, 38509, 239572, 1125843, 5145888, 19854533, 75006354, 255126617, 853011914, 2668157253, 8219717614, 24279045133, 70676062040, 200592222675, 560962999717, 1547846775013, 4205200806698, 11371630681863, 30246462359503

Offset

1,1

Comments

Column 5 of A251467

Links

R. H. Hardin, Table of n, a(n) for n = 1..179

Example

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

Crossrefs

Sequence in context: A216942 A252289 A284980 * A031575 A031755 A133598

Adjacent sequences: A251461 A251462 A251463 * A251465 A251466 A251467

Keyword

nonn

Author

R. H. Hardin, Dec 02 2014

Status

approved