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 A205361 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock having the same number of equal diagonal or antidiagonal elements, and new values 0..2 introduced in row major order 9
 14, 50, 50, 194, 275, 194, 770, 1562, 1562, 770, 3074, 8948, 12866, 8948, 3074, 12290, 51458, 107330, 107330, 51458, 12290, 49154, 296774, 904514, 1329947, 904514, 296774, 49154, 196610, 1716002, 7690946, 16820450, 16820450, 7690946, 1716002 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts .....14......50.......194.........770..........3074...........12290 .....50.....275......1562........8948.........51458..........296774 ....194....1562.....12866......107330........904514.........7690946 ....770....8948....107330.....1329947......16820450.......216561893 ...3074...51458....904514....16820450.....323378690......6379775618 ..12290..296774...7690946...216561893....6379775618....194089073306 ..49154.1716002..65916482..2826905666..128108142146...6018114334610 .196610.9946442.568956866.37314167621.2604800794754.188843661927722 LINKS R. H. Hardin, Table of n, a(n) for n = 1..144 EXAMPLE Some solutions for n=4 k=3 ..0..0..0..0....0..0..0..0....0..0..1..1....0..1..2..0....0..0..1..1 ..0..0..0..0....1..0..1..0....1..2..2..2....1..2..2..2....0..1..1..2 ..0..0..0..0....0..2..0..2....1..0..1..0....0..1..2..0....2..0..1..1 ..0..0..0..0....0..0..0..0....1..2..1..0....0..0..1..2....2..2..0..1 ..0..0..0..0....0..2..0..2....1..0..1..2....2..0..0..1....2..1..2..0 CROSSREFS Sequence in context: A215569 A246973 A156192 * A205626 A043378 A044116 Adjacent sequences: A205358 A205359 A205360 * A205362 A205363 A205364 KEYWORD nonn,tabl AUTHOR R. H. Hardin Jan 26 2012 STATUS approved

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Last modified February 3 04:55 EST 2023. Contains 360024 sequences. (Running on oeis4.)