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A184663
T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with each 3X3 subblock singular
4
49246, 1352770, 1352770, 35802874, 119805310, 35802874, 742295518, 10047874534, 10047874534, 742295518, 17984702194, 564143008386, 2738040689182, 564143008386, 17984702194, 426536161750, 42151760266070, 452748537865658
OFFSET
1,1
COMMENTS
Table starts
........49246........1352770........35802874.......742295518........17984702194
......1352770......119805310.....10047874534....564143008386.....42151760266070
.....35802874....10047874534...2738040689182.452748537865658.113762289821953494
....742295518...564143008386.452748537865658
..17984702194.42151760266070
.426536161750
LINKS
EXAMPLE
Some solutions for 4X4
..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0
..0..0..0..2....0..0..0..2....3..0..0..1....2..0..0..0....3..0..0..3
..3..0..0..0....1..0..0..1....0..0..3..3....0..0..1..0....0..0..0..1
..1..1..1..2....1..0..1..0....2..0..3..0....1..0..1..1....1..1..0..1
CROSSREFS
Sequence in context: A045085 A304020 A305696 * A184660 A054730 A253379
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Jan 19 2011
STATUS
approved