A222104 T(n,k)=Number of nXk 0..5 arrays with entries increasing mod 6 by 0, 1, 2 or 3 rightwards and downwards, starting with upper left zero

1, 4, 4, 16, 46, 16, 64, 530, 530, 64, 256, 6108, 17694, 6108, 256, 1024, 70394, 591476, 591476, 70394, 1024, 4096, 811286, 19776286, 57455502, 19776286, 811286, 4096, 16384, 9350020, 661254950, 5585183876, 5585183876, 661254950, 9350020, 16384

Offset

1,2

Comments

Table starts

.......1.............4.................16.....................64

.......4............46................530...................6108

......16...........530..............17694.................591476

......64..........6108.............591476...............57455502

.....256.........70394...........19776286.............5585183876

....1024........811286..........661254950...........543019517890

....4096.......9350020........22110369320.........52797111762730

...16384.....107758398.......739304841874.......5133443560512386

...65536....1241908834.....24720154977078.....499123853931892192

..262144...14312922076....826568484486164...48529752000392073542

.1048576..164955536810..27637992729347366.4718542457622698098922

.4194304.1901102303238.924132309919617038

Links

R. H. Hardin, Table of n, a(n) for n = 1..112

Example

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

Crossrefs

Column 1 is A000302(n-1)

Sequence in context: A092266 A257606 A219398 * A257613 A223202 A298448

Adjacent sequences: A222101 A222102 A222103 * A222105 A222106 A222107

Keyword

nonn,tabl

Author

R. H. Hardin Feb 07 2013

Status

approved