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A252626 Number of (n+2)X(4+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 1 3 6 or 8 1
405044, 5013608, 118551272, 2894745288, 72359809802, 1811913699224, 45371704729062, 1137317580721148, 28509333379628144, 714577961821004794, 17911976379170153868, 448990730607000485512, 11254523930303304555260 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A252628

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..106

EXAMPLE

Some solutions for n=1

..2..0..0..0..0..0....3..1..1..3..0..2....2..0..0..0..2..0....0..0..2..0..2..0

..0..0..0..0..2..2....1..3..1..1..0..3....0..0..0..2..0..0....1..2..2..0..2..2

..0..2..0..0..2..2....1..1..3..0..2..2....2..0..0..2..3..0....3..2..0..0..0..2

CROSSREFS

Sequence in context: A254018 A254892 A204764 * A237510 A234375 A237919

Adjacent sequences:  A252623 A252624 A252625 * A252627 A252628 A252629

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 19 2014

STATUS

approved

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Last modified February 26 02:33 EST 2021. Contains 341619 sequences. (Running on oeis4.)