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A251846 Number of (n+2)X(1+2) 0..3 arrays with every row, column, diagonal or antidiagonal in each 3X3 subblock summing to a prime 1
2148, 4953, 15899, 67209, 327193, 1697028, 9016304, 48280085, 259123809, 1392132935, 7481800749, 40211989018, 216132151786, 1161698250394, 6244080094399, 33561655362846, 180392638316345, 969604161599181 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 1 of A251852
LINKS
EXAMPLE
Some solutions for n=4
..3..2..0....1..3..1....1..0..1....3..1..1....1..1..3....1..3..3....1..0..1
..2..3..2....1..1..1....1..1..0....1..1..1....1..1..1....1..3..3....1..1..3
..2..0..1....1..1..1....3..1..1....3..1..1....1..1..1....1..1..1....1..1..1
..3..0..0....1..1..1....1..1..1....1..1..1....1..1..1....3..1..1....3..1..1
..2..2..1....3..1..3....3..3..1....1..1..1....1..3..3....1..3..3....1..1..3
..0..3..2....1..3..3....3..1..3....1..3..3....3..1..1....3..3..1....1..3..3
CROSSREFS
Sequence in context: A251870 A291135 A251852 * A236150 A252126 A192771
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 09 2014
STATUS
approved

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Last modified July 18 01:34 EDT 2024. Contains 374377 sequences. (Running on oeis4.)