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A251565 Number of (n+1)X(4+1) 0..7 arrays with every 2X2 subblock summing to a prime 1
13645310, 5871247808, 2532196250950, 1093964209592036, 472585276023176018, 204207519091414400944, 88233636477075790007750, 38127278604234717619438384, 16474873109421531835081077784 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A251567

LINKS

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

EXAMPLE

Some solutions for n=1

..4..0..0..2..5....2..0..1..5..4....2..0..7..4..6....2..0..4..4..3

..1..2..0..3..7....0..0..1..0..4....0..0..0..2..7....0..0..7..4..0

CROSSREFS

Sequence in context: A015425 A205026 A126724 * A082256 A324261 A324262

Adjacent sequences:  A251562 A251563 A251564 * A251566 A251567 A251568

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 04 2014

STATUS

approved

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Last modified April 22 06:14 EDT 2019. Contains 322329 sequences. (Running on oeis4.)