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A252601 Number of (n+2)X(4+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 1 2 or 5 1
2792, 6978, 22623, 81441, 318274, 1274571, 5243537, 21992185, 92865411, 394359153, 1680557237, 7170758789, 30633016745, 130953875907, 559929985978, 2394657771735, 10242794843158, 43813780754441, 187421784079704 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A252605

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

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

CROSSREFS

Sequence in context: A119377 A014895 A106300 * A233923 A340174 A252900

Adjacent sequences:  A252598 A252599 A252600 * A252602 A252603 A252604

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 19 2014

STATUS

approved

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Last modified June 16 04:56 EDT 2021. Contains 345056 sequences. (Running on oeis4.)