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A251514 Number of (n+1)X(7+1) 0..4 arrays with every 2X2 subblock summing to a prime 1
191708742, 154952279458, 127661562848818, 109013443872596196, 92544866490813863710, 79196945004705113081014, 67509268540809608425770788, 57790910285824156999141421410, 49334433661187311756214945282376 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A251515

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..22

EXAMPLE

Some solutions for n=1

..0..0..0..0..0..2..0..3....0..0..0..1..1..0..0..0....0..0..0..0..2..2..0..3

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

CROSSREFS

Sequence in context: A181321 A267770 A209597 * A268844 A015368 A317287

Adjacent sequences:  A251511 A251512 A251513 * A251515 A251516 A251517

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 03 2014

STATUS

approved

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Last modified December 6 18:16 EST 2021. Contains 349567 sequences. (Running on oeis4.)