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A252326 Number of (n+2)X(n+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
2018, 5716, 10070, 63277, 1091359, 19701604, 287805377, 24700406029, 1636863026983, 40269631420248, 15643196598176434, 4050536254392615455, 146409505382398682020, 266464589627529326041843 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Diagonal of A252334

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..16

EXAMPLE

Some solutions for n=4

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

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

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

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

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

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

CROSSREFS

Sequence in context: A119517 A252334 A252327 * A119423 A176913 A013687

Adjacent sequences:  A252323 A252324 A252325 * A252327 A252328 A252329

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 16 2014

STATUS

approved

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Last modified October 5 21:20 EDT 2022. Contains 357261 sequences. (Running on oeis4.)