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 A251459 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock summing to a prime 8
 114, 856, 856, 6398, 12998, 6398, 47874, 194586, 194586, 47874, 358070, 2922936, 5783416, 2922936, 358070, 2679006, 43856564, 172965058, 172965058, 43856564, 2679006, 20039054, 658509724, 5162094982, 10325081994, 5162094982, 658509724 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts ......114........856..........6398............47874..............358070 ......856......12998........194586..........2922936............43856564 .....6398.....194586.......5783416........172965058..........5162094982 ....47874....2922936.....172965058......10325081994........614533146306 ...358070...43856564....5162094982.....614533146306......72875563626720 ..2679006..658509724..154267520858...36647302556482....8664203110893480 .20039054.9883202426.4606843590302.2183158464447536.1028696788230851944 LINKS R. H. Hardin, Table of n, a(n) for n = 1..112 FORMULA Empirical for column k: k=1: [linear recurrence of order 7] k=2: [order 22] k=3: [order 99] EXAMPLE Some solutions for n=2 k=4 ..0..2..0..2..1....0..2..1..0..1....0..2..1..0..0....0..2..0..0..0 ..0..0..0..0..0....0..0..0..2..2....0..0..0..2..1....0..0..0..2..3 ..3..2..0..2..1....0..3..0..1..2....1..2..1..2..0....3..0..3..0..0 CROSSREFS Sequence in context: A126169 A324708 A353746 * A251452 A239570 A002952 Adjacent sequences:  A251456 A251457 A251458 * A251460 A251461 A251462 KEYWORD nonn,tabl AUTHOR R. H. Hardin, Dec 02 2014 STATUS approved

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Last modified August 19 23:59 EDT 2022. Contains 356231 sequences. (Running on oeis4.)