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A252603 Number of (n+2)X(6+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 1 2 or 5 1
16123, 49782, 232461, 1274571, 7784629, 49281939, 316795305, 2057691985, 13442718714, 88067778670, 577614165674, 3790761849794, 24889939488018, 163463186110399, 1073621602287101, 7051911801586017, 46321137993788712 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A252605
LINKS
EXAMPLE
Some solutions for n=2
..1..1..1..1..1..1..1..2....1..1..1..1..1..2..0..1....0..2..2..0..2..2..0..1
..1..1..1..1..1..1..2..1....1..1..1..1..1..2..0..1....2..0..2..2..2..2..0..1
..1..1..1..1..1..2..1..0....1..1..1..1..1..2..0..2....2..2..0..2..2..2..0..2
..1..2..1..1..2..1..0..2....2..1..1..1..1..2..0..1....0..1..2..0..2..2..0..1
CROSSREFS
Sequence in context: A274680 A286662 A222419 * A335305 A267118 A145717
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 19 2014
STATUS
approved

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Last modified April 25 16:45 EDT 2024. Contains 371989 sequences. (Running on oeis4.)