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 A237211 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock equal 8
 256, 1160, 1160, 5130, 8396, 5130, 24478, 59386, 59386, 24478, 117800, 472096, 655186, 472096, 117800, 581660, 3795060, 8448682, 8448682, 3795060, 581660, 2899672, 31758656, 107553623, 185371924, 107553623, 31758656, 2899672 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts .......256.........1160...........5130.............24478..............117800 ......1160.........8396..........59386............472096.............3795060 ......5130........59386.........655186...........8448682...........107553623 .....24478.......472096........8448682.........185371924..........3917422192 ....117800......3795060......107553623........3917422192........131209756954 ....581660.....31758656.....1448414238.......89734494932.......4937949728725 ...2899672....268073808....19305898426.....1999471396100.....174915940209829 ..14622828...2299621682...264733943408....46699481853014....6720032915022118 ..74221442..19798836956..3593534378650..1063936806945636..244904587362771736 .379011938.171720524760.49695732377361.25099790888660098.9553718420124306088 LINKS R. H. Hardin, Table of n, a(n) for n = 1..112 FORMULA Empirical for column k: k=1: [linear recurrence of order 33] k=2: [order 97] EXAMPLE Some solutions for n=2 k=4 ..0..1..0..3..0....0..2..3..0..1....0..3..1..2..2....0..1..0..3..1 ..2..1..1..1..1....1..2..1..2..2....0..2..1..2..2....1..2..1..1..0 ..1..2..2..2..3....2..3..2..2..1....0..2..1..2..2....2..1..0..1..3 CROSSREFS Sequence in context: A237293 A206118 A206111 * A237204 A237007 A237000 Adjacent sequences: A237208 A237209 A237210 * A237212 A237213 A237214 KEYWORD nonn,tabl AUTHOR R. H. Hardin, Feb 05 2014 STATUS approved

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Last modified February 26 21:28 EST 2024. Contains 370352 sequences. (Running on oeis4.)