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 A252882 T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with every consecutive three elements in every row having 2 or 3 distinct values, in every column 1 or 2 distinct values, in every diagonal 2 distinct values, and in every antidiagonal 2 distinct values, and new values 0 upwards introduced in row major order 11
 510, 3847, 3102, 28474, 25227, 18931, 211881, 206314, 175360, 116455, 1575377, 1723377, 1769486, 1284278, 717426, 11720268, 14424475, 18443090, 16537346, 9590968, 4422437, 87198323, 120914908, 194162037, 225544537, 160464987 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts ........510........3847........28474.......211881.......1575377......11720268 .......3102.......25227.......206314......1723377......14424475.....120914908 ......18931......175360......1769486.....18443090.....194162037....2048947027 .....116455.....1284278.....16537346....225544537....3149891207...44167941250 .....717426.....9590968....160464987...2937661429...55869292808.1063774566780 ....4422437....71744739...1568328517..38915852537.1012679185415 ...27268086...538250710..15405629778.519647556034 ..168141437..4042792083.151688062643 .1036853114.30378440984 .6393927528 LINKS R. H. Hardin, Table of n, a(n) for n = 1..60 FORMULA Empirical for column k: k=1: [linear recurrence of order 48] Empirical for row n: n=1: [linear recurrence of order 29] EXAMPLE Some solutions for n=2 k=4 ..0..0..1..1..0..1....0..0..1..0..2..1....0..0..1..0..0..1....0..0..1..2..0..0 ..0..0..1..0..1..1....0..0..1..1..2..2....0..0..1..0..0..2....0..0..1..0..1..0 ..0..0..2..0..1..2....0..0..1..1..2..2....0..0..1..0..1..1....0..1..1..0..0..1 ..0..2..1..2..1..1....0..2..1..1..0..1....0..0..2..1..0..1....0..0..1..1..0..1 CROSSREFS Sequence in context: A248790 A252877 A202595 * A252883 A196674 A260598 Adjacent sequences:  A252879 A252880 A252881 * A252883 A252884 A252885 KEYWORD nonn,tabl AUTHOR R. H. Hardin, Dec 24 2014 STATUS approved

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Last modified May 21 18:56 EDT 2019. Contains 323444 sequences. (Running on oeis4.)