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A251787
Number of (n+2)X(4+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 2 3 6 or 7
1
6144, 14908, 44504, 149364, 541656, 1765074, 6446816, 24880436, 90369250, 354040208, 1437800720, 5668460910, 23255195002, 97097665658, 400041205158, 1677704911872, 7090646094602, 29794962043796, 126115432891882
OFFSET
1,1
COMMENTS
Column 4 of A251791
LINKS
EXAMPLE
Some solutions for n=4
..0..1..0..0..0..0....2..1..1..2..2..1....0..0..0..0..0..0....0..2..2..0..3..1
..0..0..0..1..0..0....0..0..0..0..0..1....0..0..0..0..0..0....1..0..3..1..0..3
..1..0..0..0..0..0....3..3..3..3..3..2....0..1..0..0..0..1....3..2..0..3..2..0
..0..0..0..0..0..0....1..2..2..1..2..2....0..0..0..1..0..0....0..3..1..0..3..2
..0..1..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0....1..0..3..2..0..3
..0..0..0..0..0..1....3..3..3..3..3..3....0..0..0..0..1..0....3..2..0..3..2..0
CROSSREFS
Sequence in context: A184501 A205833 A152388 * A203982 A204626 A318251
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 08 2014
STATUS
approved