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A185866 T(n,k)=1/128 the number of (n+2)X(k+2) binary arrays with no 3X3 subblock trace equal to any horizontal or vertical neighbor 3X3 subblock trace 10
4, 22, 22, 124, 164, 124, 694, 1254, 1254, 694, 3892, 9604, 13662, 9604, 3892, 21814, 73542, 148747, 148747, 73542, 21814, 122284, 563180, 1625738, 2306566, 1625738, 563180, 122284, 685462, 4312662, 17735956, 35696805, 35696805, 17735956 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Table starts
........4.........22..........124............694.............3892
.......22........164.........1254...........9604............73542
......124.......1254........13662.........148747..........1625738
......694.......9604.......148747........2306566.........35696805
.....3892......73542......1625738.......35696805........791291609
....21814.....563180.....17735956......552341314......17619474017
...122284....4312662....193660943.....8546141676.....392747944918
...685462...33025492...2113733736...132241750157....8751459810146
..3842404..252901110..23075049417..2046201477768..195057037517168
.21538774.1936659260.251881260545.31662104131197.4347061143534861
LINKS
EXAMPLE
Some solutions for 5X4
..0..0..1..1....0..1..0..1....1..0..0..0....1..0..0..1....1..0..0..1
..1..0..1..1....1..0..1..0....0..1..1..0....0..1..0..0....0..1..0..0
..0..1..0..1....1..1..0..0....1..0..1..0....0..0..1..1....1..0..1..1
..0..1..1..0....1..1..0..0....0..1..1..1....0..0..1..0....0..1..0..1
..0..1..1..1....1..1..1..1....1..0..1..0....0..1..0..0....1..1..0..0
CROSSREFS
Sequence in context: A335697 A121006 A268924 * A043061 A009925 A059653
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Feb 05 2011
STATUS
approved

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Last modified June 5 05:23 EDT 2023. Contains 363130 sequences. (Running on oeis4.)