A251478 Number of (n+1)X(4+1) 0..3 arrays with every 2X2 subblock summing to a prime and those sums nondecreasing in every row and column

12670, 123739, 1096596, 7485767, 48046512, 261990105, 1374831443, 6492635940, 29922945960, 128376366657, 542148465879, 2177044477138, 8653751344617, 33172911909577, 126371883761749, 468816840146963, 1733460732539026

Offset

1,1

Comments

Column 4 of A251481

Links

R. H. Hardin, Table of n, a(n) for n = 1..87

Example

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

Crossrefs

Sequence in context: A119076 A251099 A252351 * A159203 A254799 A254806

Adjacent sequences: A251475 A251476 A251477 * A251479 A251480 A251481

Keyword

nonn

Author

R. H. Hardin, Dec 02 2014

Status

approved