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A251883 Number of (n+2)X(6+2) 0..4 arrays with every 3X3 subblock row and column sum prime and every diagonal and antidiagonal sum nonprime 1
256604, 725325, 2892699, 14269266, 96631623, 615536028, 3186483082, 21970640444, 143585893407, 763905174081, 5329570585851, 35325618021657, 191417416912064, 1344984048889486, 9001481313346745, 49409963417590684 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A251885

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..102

EXAMPLE

Some solutions for n=1

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

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

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

CROSSREFS

Sequence in context: A236600 A105656 A105657 * A251165 A065794 A206253

Adjacent sequences:  A251880 A251881 A251882 * A251884 A251885 A251886

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 10 2014

STATUS

approved

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Last modified May 8 13:26 EDT 2021. Contains 343666 sequences. (Running on oeis4.)