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A264253 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,-1 0,2 1,0 or -1,0. 1
89, 1124, 23805, 397462, 7467925, 132080760, 2411543681, 43298007242, 784323747917, 14141096261412, 255592293615989, 4613628383189518, 83336993543802001, 1504783875045547408, 27176540318951820384 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A264257.

LINKS

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

EXAMPLE

Some solutions for n=3

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

..6..5..2.13..8....0..1..8..6..7...10.11..6..9..7....6..5..8..7.14

.15.10.11.12..9...11.16.17.12.19....5.12.17..8.19...15.12.13.18..9

.16.17.18.19.14...10.15.18.13.14...16.15.18.13.14...10.11.16.19.17

CROSSREFS

Cf. A264257.

Sequence in context: A118368 A197399 A183321 * A219929 A226544 A220566

Adjacent sequences:  A264250 A264251 A264252 * A264254 A264255 A264256

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 09 2015

STATUS

approved

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Last modified May 7 17:51 EDT 2021. Contains 343652 sequences. (Running on oeis4.)