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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 R. H. Hardin, Table of n, a(n) for n = 1..144 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 Adjacent sequences:  A204864 A204865 A204866 * A204868 A204869 A204870 KEYWORD nonn,tabl AUTHOR R. H. Hardin Jan 20 2012 STATUS approved

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Last modified June 20 08:01 EDT 2021. Contains 345162 sequences. (Running on oeis4.)