A189454 Number of 6Xn array permutations with each element moving zero or one space horizontally or diagonally.
1, 233, 10000, 883049, 63367633, 4982424404, 381987110556, 29628810704689, 2291898956153380, 177547968807911516, 13750881831250357785, 1065189200482251908097, 82511968595532627713640
Offset: 1
Keywords
Examples
Some solutions for 6X3 ..0..2..1....0..1..2....1..0..2....4..0..2....1..0..2....0..2..1....0..5..2 ..3..5..4....3..4..5....7..8..5....3..5..1....4..3..5....3..8..5....4..3..1 ..7..6..8....7..6..8....6..3..4....6.11..8....6..8..7....6..7..4....6..8..7 ..9.10.11...10..9.11....9.11.10....9.10..7....9.10.11....9.14.11...13.14.11 .16.14.13...16.13.14...12.13.14...12.17.14...13.17.14...12.17.10...12..9.10 .15.12.17...15.12.17...16.15.17...15.16.13...15.12.16...16.15.13...15.16.17
Links
- R. H. Hardin, Table of n, a(n) for n = 1..200
Comments