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A204867 T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally exactly two different ways, and new values 0..1 introduced in row major order 10
102, 382, 382, 1437, 1648, 1437, 5352, 7127, 7127, 5352, 20113, 31034, 36865, 31034, 20113, 75595, 136899, 192080, 192080, 136899, 75595, 283877, 603605, 1013668, 1193734, 1013668, 603605, 283877, 1066520, 2660367, 5369493, 7620885, 7620885 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Table starts
.....102......382......1437.......5352.......20113........75595........283877
.....382.....1648......7127......31034......136899.......603605.......2660367
....1437.....7127.....36865.....192080.....1013668......5369493......28334280
....5352....31034....192080....1193734.....7620885.....48713811.....309173896
...20113...136899...1013668....7620885....59491439....462259671....3572132537
...75595...603605...5369493...48713811...462259671...4356486501...40833480416
..283877..2660367..28334280..309173896..3572132537..40833480416..463699765823
.1066520.11721609.149505326.1968871406.27779761123.385816144851.5337233301716
LINKS
EXAMPLE
Some solutions for n=3 k=3
..0..0..0..0..1....0..0..1..0..0....0..1..0..1..1....0..1..0..1..1
..0..0..1..1..0....1..1..1..0..0....0..1..1..1..1....0..1..1..0..0
..1..1..1..1..1....1..0..0..0..1....0..0..0..0..1....0..1..0..0..0
..1..0..0..0..0....1..1..0..0..1....1..1..0..1..1....0..1..1..1..0
..0..0..0..1..1....1..0..1..1..1....0..1..0..1..1....1..1..1..0..0
CROSSREFS
Sequence in context: A173969 A140062 A203407 * A204860 A277459 A127655
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Jan 20 2012
STATUS
approved

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Last modified March 28 14:38 EDT 2024. Contains 371254 sequences. (Running on oeis4.)