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 A234428 T(n,k)=Number of (n+1)X(k+1) 0..7 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 14 and no adjacent elements equal 5
 448, 4516, 4516, 44140, 89844, 44140, 453728, 1729584, 1729584, 453728, 4641220, 37628800, 58371648, 37628800, 4641220, 47946684, 828368064, 2539059832, 2539059832, 828368064, 47946684, 494928936, 18660740184, 109799236808 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts .......448.........4516...........44140.............453728.............4641220 ......4516........89844.........1729584...........37628800...........828368064 .....44140......1729584........58371648.........2539059832........109799236808 ....453728.....37628800......2539059832.......246163893400......23699592729240 ...4641220....828368064....109799236808.....23699592729240....4893587565262048 ..47946684..18660740184...5083291722008...2541252995824388.1189817781122853232 .494928936.422356863016.236294724920980.274279786722927952 LINKS R. H. Hardin, Table of n, a(n) for n = 1..60 FORMULA Empirical for column k: k=1: [linear recurrence of order 12] k=2: [order 68] EXAMPLE Some solutions for n=2 k=4 ..2..7..1..7..0....4..7..6..1..3....4..7..4..7..1....4..7..3..1..6 ..0..1..0..4..2....0..1..7..0..7....0..1..0..4..0....0..1..0..5..3 ..2..7..3..0..5....2..7..6..3..4....2..7..4..7..6....2..7..1..7..0 CROSSREFS Sequence in context: A194648 A234438 A048632 * A234424 A234175 A234170 Adjacent sequences:  A234425 A234426 A234427 * A234429 A234430 A234431 KEYWORD nonn,tabl AUTHOR R. H. Hardin, Dec 25 2013 STATUS approved

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Last modified January 27 12:01 EST 2020. Contains 331295 sequences. (Running on oeis4.)