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A264288 Number of (4+1)X(n+1) arrays of permutations of 0..n*5+4 with each element having directed index change 0,0 0,1 1,0 or -1,-2. 1
1, 69, 556, 4484, 47492, 448821, 4227024, 40561798, 385401502, 3654429812, 34690006705, 329163589542, 3121764930650, 29603292090987, 280717647093650, 2661785027200918, 25238274365506684, 239298584328248763 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 4 of A264285.

LINKS

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

EXAMPLE

Some solutions for n=4

..0..1..2..3..4....0..1..9..2..3....7..1..9..2..3....0..1..9..2..4

..5.13..6..7..9...12..6..7..8..4....0..5..6..8..4....5..6..7..3..8

.17.10.12..8.14....5.10.11.13.14...10.18.11.12.14...17.10.11.12.14

.15.11.16.18.19...15.23.16.17.19...22.15.16.13.19...22.23.16.13.19

.20.21.22.23.24...20.21.22.18.24...20.21.17.23.24...15.20.21.18.24

CROSSREFS

Cf. A264285.

Sequence in context: A251010 A251003 A211692 * A113707 A259398 A093269

Adjacent sequences:  A264285 A264286 A264287 * A264289 A264290 A264291

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 10 2015

STATUS

approved

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Last modified May 22 20:08 EDT 2022. Contains 353957 sequences. (Running on oeis4.)