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A264625 Number of (n+1)X(5+1) arrays of permutations of 0..n*6+5 with each element having directed index change -2,0 -1,0 0,-1 or 1,1. 1
1, 16, 125, 684, 6107, 50353, 389512, 2986345, 23242594, 180618759, 1398264355, 10812994324, 83643299587, 647109775660, 5005530115866, 38711077685117, 299366137555908, 2315200537592902, 17904968501964924, 138466589997944123 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 5 of A264628.

LINKS

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

EXAMPLE

Some solutions for n=4

..1..2..8..4..5.11....6..2..3..4..5.17....6..2..8..4..5.11....6..2..3..9..5.11

.18..0.20.10..3.17...18..0..1.15.11.23...12..0..1.15..3.17...12..0..1.15.16..4

.13..6..7.27..9.23...13.14..7..8..9.10...13.19..7.16..9.10...13.14..7..8.17.10

.24.12.21.14.15.16...24.12.21.27.28.16...24.20.26.14.23.29...24.20.26.27.23.29

.25.26.19.28.29.22...25.26.19.20.29.22...25.18.27.28.21.22...25.18.19.28.21.22

CROSSREFS

Cf. A264628.

Sequence in context: A231582 A067442 A000485 * A213748 A007787 A067470

Adjacent sequences:  A264622 A264623 A264624 * A264626 A264627 A264628

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 19 2015

STATUS

approved

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Last modified November 14 22:32 EST 2019. Contains 329134 sequences. (Running on oeis4.)