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A251640 Number of (n+2)X(3+2) 0..2 arrays with some row, column, diagonal or antidiagonal in every 3X3 subblock summing to 3 1
10560127, 2000922455, 381543775543, 72419349199493, 13754155206272959, 2612757595388089625, 496271873758017462775, 94263944561519739600469, 17904985214572029962053397, 3400956636618899216826213209 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 3 of A251641
LINKS
EXAMPLE
Some solutions for n=1
..0..0..0..0..1....0..0..0..0..1....0..0..0..0..2....0..0..0..0..1
..2..1..1..1..0....2..1..0..1..1....0..0..2..2..0....0..1..2..1..0
..2..1..0..1..2....2..1..2..2..1....0..0..1..0..1....0..2..0..2..1
CROSSREFS
Sequence in context: A186921 A185805 A306476 * A066870 A340110 A250963
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 06 2014
STATUS
approved

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Last modified May 19 08:13 EDT 2024. Contains 372666 sequences. (Running on oeis4.)