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A251463 Number of (n+1)X(4+1) 0..2 arrays with every 2X2 subblock summing to a prime and those sums nondecreasing in every row and column 1
1908, 11134, 62309, 268559, 1125843, 4053903, 14306546, 46070347, 145984578, 437418593, 1291704815, 3690118027, 10390300382, 28744898692, 78318248671, 211976616993, 564325050038, 1504527451304, 3939345742309, 10392736660538 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A251467

LINKS

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

R. H. Hardin, Empirical recurrence of order 77

FORMULA

Empirical recurrence of order 77 (see link above)

EXAMPLE

Some solutions for n=3

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

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

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

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

CROSSREFS

Sequence in context: A253364 A112947 A206124 * A184194 A209551 A238059

Adjacent sequences:  A251460 A251461 A251462 * A251464 A251465 A251466

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 02 2014

STATUS

approved

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Last modified November 21 04:41 EST 2019. Contains 329350 sequences. (Running on oeis4.)