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A184652 T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with each 3X3 subblock nonsingular 3
212898, 11826498, 11826498, 657272274, 2393686398, 657272274, 36516002466, 484872198498, 484872198498, 36516002466, 2028771948738, 98159708768710, 358095672726522, 98159708768710, 2028771948738, 112716440618754 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Table starts
..........212898..........11826498..........657272274........36516002466
........11826498........2393686398.......484872198498.....98159708768710
.......657272274......484872198498....358095672726522.264254925711547906
.....36516002466....98159708768710.264254925711547906
...2028771948738.19873044281563890
.112716440618754
LINKS
EXAMPLE
Some solutions for 5X4
..0..0..2..0....0..0..2..0....0..0..2..0....0..0..2..0....0..0..2..0
..1..0..0..2....1..0..0..2....1..0..0..2....1..0..0..2....1..0..0..2
..0..1..0..0....1..1..0..0....2..1..0..0....2..1..0..0....1..1..0..0
..2..3..3..2....0..1..1..1....1..1..1..0....0..3..3..2....2..2..1..1
..2..0..2..1....2..1..1..2....0..1..3..1....3..0..3..1....2..0..1..2
CROSSREFS
Sequence in context: A143641 A184383 A234829 * A184650 A172643 A172746
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Jan 19 2011
STATUS
approved

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Last modified March 18 22:34 EDT 2024. Contains 370951 sequences. (Running on oeis4.)