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 A251462 Number of (n+1)X(3+1) 0..2 arrays with every 2X2 subblock summing to a prime and those sums nondecreasing in every row and column 1
 602, 3142, 15719, 62309, 239572, 809934, 2678350, 8222849, 24796090, 71644353, 203613185, 565710173, 1545775344, 4185949130, 11136965910, 29652176113, 77452013880, 203909911308, 525772216775, 1373878022187, 3509862980888 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 3 of A251467 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 R. H. Hardin, Empirical recurrence of order 61 FORMULA Empirical recurrence of order 61 (see link above) EXAMPLE Some solutions for n=4 ..1..0..2..1....1..1..2..2....1..0..1..0....2..0..0..1....1..0..2..0 ..1..0..1..1....0..0..0..1....1..0..2..2....0..0..2..0....1..0..1..2 ..1..0..2..1....2..1..2..2....1..0..1..2....2..0..1..2....0..1..1..1 ..0..1..2..0....2..0..2..1....0..2..2..2....0..0..2..2....0..2..1..2 ..1..0..2..1....2..1..2..2....0..1..2..1....2..0..1..2....1..0..2..2 CROSSREFS Sequence in context: A252435 A045941 A268588 * A356893 A281561 A184193 Adjacent sequences: A251459 A251460 A251461 * A251463 A251464 A251465 KEYWORD nonn AUTHOR R. H. Hardin, Dec 02 2014 STATUS approved

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Last modified June 7 21:29 EDT 2023. Contains 363157 sequences. (Running on oeis4.)