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 A235437 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise 6
 81, 583, 583, 3987, 10241, 3987, 26091, 169041, 169041, 26091, 167095, 2616323, 6802225, 2616323, 167095, 1054515, 39122513, 253925273, 253925273, 39122513, 1054515, 6595119, 570624077, 9047860107, 23147332121, 9047860107, 570624077 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts .........81...........583............3987.............26091............167095 ........583.........10241..........169041...........2616323..........39122513 .......3987........169041.........6802225.........253925273........9047860107 ......26091.......2616323.......253925273.......23147332121.....2018613731175 .....167095......39122513......9047860107.....2018613731175...438547192107117 ....1054515.....570624077....309625276947...168052583588803.91649890523565335 ....6595119....8196586161..10293725576425.13459467429347941 ...41000659..116562545251.334790471121909 ..253895775.1647270158195 .1568132115 LINKS R. H. Hardin, Table of n, a(n) for n = 1..60 FORMULA Empirical for column k: k=1: a(n) = 8*a(n-1) -a(n-2) -64*a(n-3) -14*a(n-4) +88*a(n-5) +8*a(n-6) -24*a(n-7) k=2: [order 39] EXAMPLE Some solutions for n=2 k=4 ..0..0..1..1..0....0..0..1..2..0....0..0..1..1..2....0..0..0..0..0 ..0..0..1..2..1....0..0..1..0..1....0..0..0..1..0....0..0..2..0..2 ..2..2..0..2..1....1..2..0..1..1....2..0..1..0..1....0..1..2..0..1 CROSSREFS Sequence in context: A236082 A235737 A236490 * A235432 A206064 A016756 Adjacent sequences:  A235434 A235435 A235436 * A235438 A235439 A235440 KEYWORD nonn,tabl AUTHOR R. H. Hardin, Jan 10 2014 STATUS approved

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Last modified October 15 05:43 EDT 2019. Contains 328026 sequences. (Running on oeis4.)