A251471 Number of (n+1) X (4+1) 0..5 arrays with every 2 X 2 subblock summing to a prime.

979132, 137223466, 19627202794, 2830218950082, 408635929747162, 59049118022243816, 8532932681770062450, 1233304539073249612664, 178244652954975796728758, 25763933274734565170239522

Offset

1,1

Comments

Column 4 of A251474.

Links

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

Example

Some solutions for n=1
..0..0..1..3..3....0..0..5..3..1....3..3..3..1..3....0..3..3..1..1
..1..1..3..4..1....3..4..2..3..0....5..0..1..2..5....3..5..0..3..2

Crossrefs

Cf. A251474.

Sequence in context: A254089 A254096 A343800 * A213125 A344038 A250859

Adjacent sequences: A251468 A251469 A251470 * A251472 A251473 A251474

Keyword

nonn

Author

R. H. Hardin, Dec 02 2014

Status

approved