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A251957 Number of (n+2)X(2+2) 0..4 arrays with every row, column, diagonal or antidiagonal in each 3X3 subblock summing to a prime 1
11375, 26027, 149744, 1201953, 10509427, 94160979, 839633727, 7484563854, 66822646537, 596375268131, 5321735447611, 47494519566436, 423865088324728, 3782714225010232, 33758534281457438, 301275530820426894 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 2 of A251962
LINKS
EXAMPLE
Some solutions for n=3
..1..3..1..3....1..0..1..1....3..1..1..0....1..1..1..1....1..1..3..3
..3..1..1..3....3..1..1..3....3..3..1..1....1..3..1..1....3..1..1..1
..3..1..1..1....1..1..3..1....1..1..1..1....3..3..1..3....1..1..3..1
..1..1..3..3....3..1..1..1....3..3..1..1....1..1..1..1....1..1..3..1
..3..1..1..1....3..1..1..1....3..3..1..1....1..1..1..3....1..1..1..1
CROSSREFS
Sequence in context: A202377 A210122 A364717 * A272552 A237796 A236983
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 11 2014
STATUS
approved

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Last modified July 25 15:36 EDT 2024. Contains 374612 sequences. (Running on oeis4.)