A251480 Number of (n+1)X(6+1) 0..3 arrays with every 2X2 subblock summing to a prime and those sums nondecreasing in every row and column

218854, 2696488, 30592799, 261990105, 2095872247, 13874159417, 87400242458, 484930994600, 2598001207593, 12731552201785, 60866054904554, 272632467747110

Offset

1,1

Comments

Column 6 of A251481

Links

Table of n, a(n) for n=1..12.

Example

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

Crossrefs

Sequence in context: A157377 A090873 A236040 * A072189 A187865 A201227

Adjacent sequences: A251477 A251478 A251479 * A251481 A251482 A251483

Keyword

nonn

Author

R. H. Hardin, Dec 02 2014

Status

approved