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A252036 Number of (n+2)X(4+2) 0..4 arrays with every 3X3 subblock row and column sum nonprime and every diagonal and antidiagonal sum prime 1
112929, 183494, 85570, 242893, 958171, 3353508, 10165927, 43093018, 160833703, 479755164, 2129630164, 8304035822, 24338771563, 112393455254, 453850241919, 1310003801065, 6253138371548, 25945878433273, 74044064461017 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A252039
LINKS
EXAMPLE
Some solutions for n=3
..1..1..4..1..1..2....4..0..4..4..0..4....4..3..3..4..1..3....3..3..4..3..3..4
..3..1..2..1..1..4....1..2..1..1..2..3....4..3..1..4..3..1....0..0..1..0..0..1
..2..2..0..2..2..0....1..2..1..1..2..1....1..0..0..1..0..0....3..3..4..3..3..4
..3..1..2..1..1..2....2..0..2..2..0..4....4..3..3..4..3..3....3..3..4..3..1..4
..1..3..4..1..1..2....1..4..1..1..2..1....4..3..3..4..1..1....0..0..1..0..0..1
CROSSREFS
Sequence in context: A269766 A177275 A303999 * A103113 A179922 A122511
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 12 2014
STATUS
approved

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Last modified February 22 12:31 EST 2024. Contains 370255 sequences. (Running on oeis4.)