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 A204408 T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with every 3X3 subblock having three strictly increasing elements in a row horizontally, vertically or nw-to-se diagonally 9
 4293, 47883, 47883, 719125, 347247, 719125, 6579664, 3588983, 3588983, 6579664, 70193731, 45603178, 18913491, 45603178, 70193731, 852798050, 518498299, 316877238, 316877238, 518498299, 852798050, 8916413698, 5787193185 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts ........4293........47883........719125........6579664........70193731 .......47883.......347247.......3588983.......45603178.......518498299 ......719125......3588983......18913491......316877238......3226550173 .....6579664.....45603178.....316877238.....2085204465.....23029550325 ....70193731....518498299....3226550173....23029550325....218058070601 ...852798050...5787193185...30090522927...415155518470...2236958307511 ..8916413698..70339685822..390091281543..3295136296152..24512116048486 .96129489898.814228386252.3739587364093.32134688161335.287545807301142 LINKS R. H. Hardin, Table of n, a(n) for n = 1..391 EXAMPLE Some solutions for n=3 k=3 ..2..1..0..2..1....1..0..0..1..0....1..1..0..1..2....0..0..2..1..1 ..2..2..1..1..0....2..2..1..0..0....2..2..1..1..0....1..1..0..1..2 ..0..1..2..2..1....0..0..2..1..1....0..1..2..2..1....1..2..1..2..0 ..0..0..1..2..2....0..1..2..2..0....2..0..1..2..2....0..1..2..0..1 ..0..0..0..1..2....0..2..0..1..2....1..1..0..1..2....1..0..1..2..2 CROSSREFS Sequence in context: A252555 A359304 A233888 * A204401 A204400 A271104 Adjacent sequences: A204405 A204406 A204407 * A204409 A204410 A204411 KEYWORD nonn,tabl AUTHOR R. H. Hardin Jan 15 2012 STATUS approved

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Last modified March 21 06:15 EDT 2023. Contains 361392 sequences. (Running on oeis4.)