A189353 Number of nX7 array permutations with each element moving one space diagonally, horizontally or vertically

0, 2005, 229248, 94635005, 24728774144, 7675175968337, 2239546267804672, 669245368116765065, 198265824869143635104, 58936758437348449273685, 17497862834694963378124992, 5197536868658118835508778253

Offset

1,2

Comments

Column 7 of A189355

Links

R. H. Hardin, Table of n, a(n) for n = 1..90

Example

Some solutions for 3X7
..1..2..3..4.11..6.13....1..2..3.10..5..4.13....1..0.10..2.11.12..5
..0..7.16..9.10.20..5...14..0..8.17.18.11..6...14..7.17.18..3..4..6
.15.14..8.18.17.12.19...15..7..9.16.19.20.12...15.16..8..9.19.20.13

Crossrefs

Sequence in context: A162241 A162243 A203043 * A162244 A295701 A250922

Adjacent sequences: A189350 A189351 A189352 * A189354 A189355 A189356

Keyword

nonn

Author

R. H. Hardin Apr 20 2011

Status

approved