A264296 Number of (n+1)X(4+1) arrays of permutations of 0..n*5+4 with each element having directed index change 0,1 0,-2 1,0 or -1,0.

10, 24, 332, 1672, 14881, 94320, 727970, 5007568, 36810037, 260065872, 1879629293, 13401693600, 96300347984, 688757565024, 4939301950829, 35364587001168, 253437366557901, 1815239251597664, 13005718649832378, 93165035471145160

Offset

1,1

Comments

Column 4 of A264299.

Links

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

Example

Some solutions for n=4
..5..6..4..8..3....5..6..1..2..3....5..0..4..2..3....2..3..1..8..9
..0..1..2..7.14....0..8..9..7..4....7..1..6.13..8....0..5..6..7..4
.12.16.17.18..9...12.10.11.18.13...15.10.11.12..9...12.13.11.18.19
.10.11.19.13.24...17.21.16.23.14...17.21.16.23.14...10.21.16.17.14
.15.20.21.22.23...15.20.24.22.19...22.20.24.18.19...15.20.24.22.23

Crossrefs

Cf. A264299.

Sequence in context: A135285 A235940 A103071 * A265150 A057462 A180043

Adjacent sequences: A264293 A264294 A264295 * A264297 A264298 A264299

Keyword

nonn

Author

R. H. Hardin, Nov 11 2015

Status

approved