A209054 T(n,k)=Number of nXk 0..6 arrays with every element value z a city block distance of exactly z from another element value z

1, 2, 2, 5, 13, 5, 12, 115, 115, 12, 33, 1468, 5822, 1468, 33, 99, 22738, 459808, 459808, 22738, 99, 319, 415695, 49062184, 245980249, 49062184, 415695, 319, 980, 7893620

Offset

1,2

Comments

Table starts

...1......2........5........12.......33.....99.....319.980

...2.....13......115......1468....22738.415695.7893620

...5....115.....5822....459808.49062184

..12...1468...459808.245980249

..33..22738.49062184

..99.415695

.319

Links

Table of n, a(n) for n=1..30.

Example

Some solutions for n=2 k=5
..2..0..0..0..0....5..1..1..2..0....3..3..1..3..3....2..0..2..3..1
..2..2..2..0..0....3..1..2..3..5....4..2..1..2..4....2..3..2..0..1

Crossrefs

Sequence in context: A209178 A209720 A208960 * A209218 A208322 A208175

Adjacent sequences: A209051 A209052 A209053 * A209055 A209056 A209057

Keyword

nonn,tabl

Author

R. H. Hardin Mar 04 2012

Status

approved