A264193 Number of (n+1)X(5+1) arrays of permutations of 0..n*6+5 with each element having index change +-(.,.) 0,0 0,2 or 2,1.

81, 4608, 262144, 10764800, 442050625, 19169627850, 831295356516, 35638188122016, 1527832968950016, 65670947717590800, 2822738782165680625, 121309079019352675425, 5213338458910861518801, 224053338609946318965300

Offset

1,1

Comments

Column 5 of A264195.

Links

R. H. Hardin, Table of n, a(n) for n = 1..194

Formula

Empirical: a(n) = 43*a(n-1) -a(n-2) +6304280137*a(n-8) -271084045891*a(n-9) +6304280137*a(n-10) -21506471693602896*a(n-16) +924778282824924528*a(n-17) -21506471693602896*a(n-18) +39722441580383416010*a(n-24) -1708064987956486888430*a(n-25) +39722441580383416010*a(n-26) -39722441580383416010*a(n-32) +1708064987956486888430*a(n-33) -39722441580383416010*a(n-34) +21506471693602896*a(n-40) -924778282824924528*a(n-41) +21506471693602896*a(n-42) -6304280137*a(n-48) +271084045891*a(n-49) -6304280137*a(n-50) +a(n-56) -43*a(n-57) +a(n-58)

Example

Some solutions for n=2
.13..3.15..1..2..5....0..3..2.16..4..5....2..1..0..5..4..3....2.14..0..3..4..5
..6..9..8..7.10.11....6..7..8..9.10.11....6..9..8..7.10.11....6..9.10..7..8.11
.12..0.16.17.14..4...12.15..1.13.14.17...14.13.12.15.16.17...12.13..1.15.16.17

Crossrefs

Cf. A264195.

Sequence in context: A183962 A174698 A204222 * A232952 A205285 A222166

Adjacent sequences: A264190 A264191 A264192 * A264194 A264195 A264196

Keyword

nonn

Author

R. H. Hardin, Nov 07 2015

Status

approved