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A189654 Number of 6Xn array permutations with each element moving zero or one space horizontally, diagonally or antidiagonally 1
1, 1681, 144353, 64890337, 16718653553, 5760755884032, 1778231752192145, 579697460209171993, 184886869974436661041, 59593521044870694533545, 19125202990272640992094705, 6150485955232431794501210601 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 6 of A189650

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..183

EXAMPLE

Some solutions for 6X3

..0..3..2....0..2..4....0..1..2....1..0..2....0..1..2....0..5..1....0..3..2

..1..6..5....1..3..5....3..6..4....3..5..4....3..5..7....3..2..7....1..8..4

..7..9..4....6.11..8...10..5..8....6.11..8....4..9..8....4..6..8....6..5..7

.10..8.11...10..9..7....7..9.11....9.14..7...13..6.11...10.14.11...13.10.11

.12.14.16...16.12.13...16.15.14...13.15.10...10.12.14...16..9.13...16..9.14

.15.17.13...15.14.17...13.12.17...16.12.17...15.16.17...15.12.17...15.12.17

CROSSREFS

Sequence in context: A228183 A175897 A322745 * A163009 A069331 A156175

Adjacent sequences:  A189651 A189652 A189653 * A189655 A189656 A189657

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 24 2011

STATUS

approved

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Last modified June 5 09:13 EDT 2020. Contains 334829 sequences. (Running on oeis4.)