A264209 Number of (3+1)X(n+1) arrays of permutations of 0..n*4+3 with each element having index change +-(.,.) 0,0 0,2 or 1,0.

25, 605, 14641, 223245, 3404025, 59040000, 1024000000, 17127328000, 286470082441, 4843377674701, 81887459590561, 1380241197441805, 23264438445654025, 392494549521588805, 6621779062667769361

Offset

1,1

Comments

Row 3 of A264207.

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=3
..2..1..0..3....2..3..0..1....2..3..6..1....0..5..2..3....2..3..0..1
..6..5..4..7....8..9..4..5....0..7..4..5....8..1..4.11....8..5..4..7
.10.11.14..9...10.13..6..7....8..9.10.11...12..9..6..7...10.13..6.11
..8.13.12.15...12.15.14.11...14.13.12.15...14.13.10.15...12..9.14.15

Crossrefs

Cf. A264207.

Sequence in context: A170744 A362473 A218727 * A307145 A061614 A171330

Adjacent sequences: A264206 A264207 A264208 * A264210 A264211 A264212

Keyword

nonn

Author

R. H. Hardin, Nov 08 2015

Status

approved