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 A231419 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no element equal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order 12
 9, 71, 50, 514, 1032, 285, 3838, 20896, 15125, 1617, 28486, 424404, 844061, 221445, 9188, 212060, 8704406, 46978621, 34099824, 3245016, 52193, 1578180, 178277756, 2655479347, 5203044823, 1378646988, 47557773, 296511, 11748804, 3654045516 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts ....9......71........514.........3838...........28486.............212060 ...50....1032......20896.......424404.........8704406..........178277756 ..285...15125.....844061.....46978621......2655479347.......149618567148 .1617..221445...34099824...5203044823....811353885448....125876025896444 .9188.3245016.1378646988.576572713438.248018799189236.105946496489105569 LINKS R. H. Hardin, Table of n, a(n) for n = 1..70 FORMULA Empirical for column k: k=1: a(n) = 6*a(n-1) -11*a(n-3) +4*a(n-4) k=2: [order 7] k=3: [order 34] k=4: [order 99] Empirical for row n: n=1: a(n) = 8*a(n-1) +4*a(n-2) -58*a(n-3) -24*a(n-4) +40*a(n-5) -16*a(n-6) n=2: [order 28] EXAMPLE Some solutions for n=2 k=4 ..0..0..1..2..2....0..0..0..1..2....0..0..1..1..0....0..0..1..0..2 ..2..1..2..0..0....1..2..1..0..0....1..1..0..2..1....2..2..1..2..0 ..2..1..1..2..0....0..0..1..1..2....2..2..1..0..1....0..1..2..1..0 CROSSREFS Sequence in context: A000899 A226013 A156705 * A227848 A226846 A226711 Adjacent sequences: A231416 A231417 A231418 * A231420 A231421 A231422 KEYWORD nonn,tabl AUTHOR R. H. Hardin, Nov 08 2013 STATUS approved

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Last modified September 12 23:44 EDT 2024. Contains 375855 sequences. (Running on oeis4.)