cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A189454 Number of 6Xn array permutations with each element moving zero or one space horizontally or diagonally.

Original entry on oeis.org

1, 233, 10000, 883049, 63367633, 4982424404, 381987110556, 29628810704689, 2291898956153380, 177547968807911516, 13750881831250357785, 1065189200482251908097, 82511968595532627713640
Offset: 1

Views

Author

R. H. Hardin Apr 22 2011

Keywords

Comments

Row 6 of A189449

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