A189253 Number of nX8 array permutations with each element making zero or one king moves

34, 3350016, 25950094568, 445205174822288, 6188469597764755456, 92340416748367645903936, 1355117057188899341581651072, 20019535342827950668977079681024, 295422965429980829725911541023975936

Offset

1,1

Comments

Column 8 of A189254

Links

R. H. Hardin, Table of n, a(n) for n = 1..13

Example

Some solutions for 3X8
..0..1..9..2..3..4..5..6....0..1..9..2..3..4..5..6....0..1..9..2..3..4..5..6
.17..8.19.11.12.13.22..7...16.10.18.12.19.21.23..7...16..8.11.12.21.20..7.14
.16.18.10.20.21.14.23.15...17..8.11.20.13.14.22.15...17.10.19.18.13.22.15.23

Crossrefs

Sequence in context: A280901 A279376 A189311 * A250488 A236237 A067156

Adjacent sequences: A189250 A189251 A189252 * A189254 A189255 A189256

Keyword

nonn

Author

R. H. Hardin Apr 19 2011

Status

approved