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A264303 Number of (4+1)X(n+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. 1
0, 56, 192, 1672, 25080, 146688, 1346944, 13834555, 104830640, 937391448, 8580314512, 71419802456, 629686664072, 5565143259715, 47786322624048, 418580670492536, 3662684910895709, 31774718564557848, 277532293674535584 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 4 of A264299.

LINKS

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

EXAMPLE

Some solutions for n=4

..5..3..4..2..9....5..0..1..2..3....5..6..7..8..3....5..0..4..2..3

..0..1..6.13.14...10..8..9..7..4....0..1..2.13..4....7..1..6.13..8

.12.10..7..8.19...15..6.14.12.13...12.10.14.18..9...12.16.11.18..9

.20.11.22.17.24...20.11.19.17.24...17.11.16.23.24...10.21.19.17.14

.15.16.21.18.23...22.16.21.18.23...15.20.21.22.19...15.20.24.22.23

CROSSREFS

Cf. A264299.

Sequence in context: A234114 A234107 A136547 * A200833 A241611 A179403

Adjacent sequences:  A264300 A264301 A264302 * A264304 A264305 A264306

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 11 2015

STATUS

approved

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Last modified October 15 16:06 EDT 2021. Contains 348033 sequences. (Running on oeis4.)