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A264383 Number of (5+1)X(n+1) arrays of permutations of 0..n*6+5 with each element having directed index change 2,-2 -1,0 -1,2 1,0 or 0,-1. 1
1, 128, 3249, 63575, 1742881, 45132986, 1187897216, 30373276651, 792780331712, 20444262438305, 530521904672461, 13716515010894393, 355463297798764953, 9199078922790223336, 238250431643039032101, 6167702521336260154448 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 5 of A264379.

LINKS

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

EXAMPLE

Some solutions for n=4

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

..0..1.10.11.12....0.11..8..9..4....0.11.10..9.12....0..1.10.11.12

.15..6..7..8.19....5.12.15.14.19....2..3.15.18.17...15..6.13.18.19

.20.21.22.13.14...10.17.18.13.22...16..8.22.19.14....7..8.20.21.22

.25.16.17.18.29...21.16.25.26.29...25.13.27.26.29...25.16.14.26.29

.26.27.28.23.24...20.27.28.23.24...20.21.28.23.24...17.27.28.23.24

CROSSREFS

Cf. A264379.

Sequence in context: A128802 A297613 A250565 * A022150 A269001 A191899

Adjacent sequences:  A264380 A264381 A264382 * A264384 A264385 A264386

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 12 2015

STATUS

approved

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Last modified June 17 16:54 EDT 2019. Contains 324195 sequences. (Running on oeis4.)