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A251465 Number of (n+1)X(6+1) 0..2 arrays with every 2X2 subblock summing to a prime and those sums nondecreasing in every row and column 1
17424, 120982, 809934, 4053903, 19854533, 80967696, 324243821, 1156109395, 4058563375, 13208174936, 42390687109, 129441198533, 390073441352, 1138410030575, 3278903374500, 9262644388422, 25810995719109, 71203349641035 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A251467

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..78

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A255780 A023942 A322858 * A278004 A031640 A236006

Adjacent sequences:  A251462 A251463 A251464 * A251466 A251467 A251468

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 02 2014

STATUS

approved

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Last modified September 28 06:57 EDT 2021. Contains 347703 sequences. (Running on oeis4.)