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 A232839 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally, diagonally or antidiagonally 11
 4, 16, 16, 216, 312, 64, 710, 6664, 3720, 240, 3648, 67718, 168688, 44832, 988, 25642, 1051216, 4836036, 5659896, 500516, 3964, 139456, 17686598, 202470104, 391884166, 179149960, 5809256, 15844, 683250, 265341016, 8873311108, 45851030856 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts .......4...........16.............216...............710...............3648 ......16..........312............6664.............67718............1051216 ......64.........3720..........168688...........4836036..........202470104 .....240........44832.........5659896.........391884166........45851030856 .....988.......500516.......179149960.......32297599754.....10331973738132 ....3964......5809256......5458025808.....2586501812600...2255412540732792 ...15844.....71242892....172736599272...210721854104134.504907550840069764 ...63808....828231244...5399804456824.17102998113711722 ..256096...9665239984.168429228245712 .1029152.115029333056 LINKS R. H. Hardin, Table of n, a(n) for n = 1..71 FORMULA Empirical for column k: k=1: a(n) = a(n-1) +10*a(n-2) +11*a(n-3) -a(n-4) -28*a(n-5) -32*a(n-6) k=2: [order 13] k=3: [order 38] Empirical for row n: n=1: [linear recurrence of order 8] n=2: [order 33] EXAMPLE Some solutions for n=3 k=4 ..0..2..1..0..0....0..1..2..1..2....0..2..1..0..2....0..1..2..1..2 ..0..1..2..1..1....0..1..1..0..0....0..1..0..1..0....0..1..0..1..2 ..0..2..2..2..2....0..0..2..2..1....0..0..2..1..2....0..1..1..0..2 ..1..0..1..1..0....0..1..0..0..1....0..1..1..2..2....0..2..2..1..0 CROSSREFS Column 1 is A232425 Sequence in context: A202680 A263568 A009570 * A140299 A119007 A043052 Adjacent sequences: A232836 A232837 A232838 * A232840 A232841 A232842 KEYWORD nonn,tabl AUTHOR R. H. Hardin, Nov 30 2013 STATUS approved

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Last modified May 30 06:43 EDT 2024. Contains 372958 sequences. (Running on oeis4.)