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A252499
Number of (n+2)X(3+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum less than 5
1
3610840, 379549048, 43375710311, 4543445214587, 484455746584740, 52117935523803804, 5579085124570270245, 597482912872030817867, 64033765038315732013105, 6860332820791980455007719
OFFSET
1,1
COMMENTS
Column 3 of A252500
LINKS
EXAMPLE
Some solutions for n=1
..0..1..0..1..1....0..1..0..1..2....0..1..0..1..2....0..1..0..0..1
..0..1..1..1..1....0..0..1..1..2....0..1..0..2..0....0..0..1..1..2
..0..0..0..0..2....0..2..1..1..0....0..0..0..0..2....0..0..1..2..1
CROSSREFS
Sequence in context: A214173 A183970 A251305 * A235970 A116221 A118813
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 17 2014
STATUS
approved