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A252332 Number of (n+2)X(6+2) 0..3 arrays with every 3X3 subblock row and column sum equal to 0 3 5 6 or 8 and every 3X3 diagonal and antidiagonal sum not equal to 0 3 5 6 or 8 1
39981, 40178, 180469, 632453, 3999229, 19701604, 76990025, 492999163, 2520993313, 10349882135, 66879484623, 346316367984, 1469330829789, 9567743491373, 49841941516603, 215437747782647, 1409084461727701 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A252334

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=3

..0..2..3..3..2..3..0..2....3..3..2..3..3..2..3..3....0..3..2..3..3..2..3..0

..3..2..3..3..2..0..3..2....0..3..2..3..3..2..0..3....3..3..2..3..0..2..3..3

..2..1..2..2..1..2..2..1....2..2..1..2..2..1..2..2....2..2..1..2..2..1..2..2

..3..2..0..3..2..3..3..2....3..0..2..3..3..2..3..3....3..0..2..3..3..2..3..0

..0..2..3..3..2..3..3..2....0..3..2..3..3..2..3..0....3..3..2..3..3..2..0..3

CROSSREFS

Sequence in context: A251757 A250334 A250909 * A106772 A015328 A251970

Adjacent sequences:  A252329 A252330 A252331 * A252333 A252334 A252335

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 16 2014

STATUS

approved

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Last modified January 24 19:34 EST 2022. Contains 350565 sequences. (Running on oeis4.)