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A251878 Number of (n+2)X(1+2) 0..4 arrays with every 3X3 subblock row and column sum prime and every diagonal and antidiagonal sum nonprime 1
5495, 11492, 20025, 49529, 117744, 256604, 676969, 1694929, 3850641, 10168955, 25657626, 58789576, 154405779, 390732438, 900368454, 2349009411, 5954768481, 13795315565, 35777536598, 90799627321, 211393940417, 545320046544 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 1 of A251885

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

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

CROSSREFS

Sequence in context: A137816 A138760 A251885 * A251877 A252312 A247924

Adjacent sequences:  A251875 A251876 A251877 * A251879 A251880 A251881

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 10 2014

STATUS

approved

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Last modified February 26 03:00 EST 2021. Contains 341619 sequences. (Running on oeis4.)