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A251612
Number of (n+1)X(2+1) 0..6 arrays with every 2X2 subblock summing to a prime
1
14008, 583034, 24317054, 1016045742, 42444702494, 1774758313314, 74187807802266, 3103654124204860, 129803899510424760, 5432731038357510374, 227310234563106958202, 9517222678029395667690, 398354463516562298317614
OFFSET
1,1
COMMENTS
Column 2 of A251616
FORMULA
Empirical recurrence of order 49 (see link above)
EXAMPLE
Some solutions for n=1
..2..3..6....2..0..1....3..3..4....6..0..6....1..4..3....3..0..3....3..4..5
..6..2..0....0..0..1....1..0..4....6..1..4....2..4..6....0..2..2....6..4..0
CROSSREFS
Sequence in context: A215150 A215944 A248999 * A252290 A229699 A181963
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 05 2014
STATUS
approved