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A209218 T(n,k)=Number of nXk 0..7 arrays with every element value z a city block distance of exactly z from another element value z 2

%I #4 Mar 31 2012 12:37:28

%S 1,2,2,5,13,5,12,115,115,12,33,1468,5822,1468,33,99,22738,459808,

%T 459808,22738,99,319,415695,49062184,245980249,49062184,415695,319,

%U 1079,8685016

%N T(n,k)=Number of nXk 0..7 arrays with every element value z a city block distance of exactly z from another element value z

%C Table starts

%C ...1......2........5........12.......33.....99.....319.1079

%C ...2.....13......115......1468....22738.415695.8685016

%C ...5....115.....5822....459808.49062184

%C ..12...1468...459808.245980249

%C ..33..22738.49062184

%C ..99.415695

%C .319

%e Some solutions for n=5 k=2

%e ..1..0....3..4....4..0....4..4....0..1....1..1....4..2....1..5....5..4....1..1

%e ..1..0....4..2....1..2....3..4....2..1....1..1....0..2....1..3....2..2....0..2

%e ..2..0....0..3....1..1....1..1....0..1....2..0....1..2....1..2....0..2....2..2

%e ..0..1....3..2....2..2....4..3....2..0....0..2....1..2....3..0....4..2....0..0

%e ..2..1....3..4....4..2....4..4....1..1....1..1....4..2....5..2....0..5....0..2

%K nonn,tabl

%O 1,2

%A _R. H. Hardin_ Mar 06 2012

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Last modified April 25 08:27 EDT 2024. Contains 371964 sequences. (Running on oeis4.)