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A264363 Number of (n+1)X(7+1) arrays of permutations of 0..n*8+7 with each element having directed index change 0,0 0,2 1,0 or -1,-2. 1
169, 5184, 215296, 8139609, 310358689, 11834176225, 450847788304, 17180991840016, 654674355426025, 24946448969913601, 950585713755901609, 36222101462252160016, 1380244690837659186576, 52594277751165110245321 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A264364.

LINKS

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

EXAMPLE

Some solutions for n=2

..0..1.12..3.14.15..4..5...10..1..2.13..4..5..6..7....0.11.12..1..2.15..6..7

.18.19..2..9.10.23..6..7....0.19.20..3.22.11.12.15...18..9..8..3..4..5.14.13

..8.17.16.11.20.13.22.21....8..9.16.17.18.21.14.23...16.17.10.19.20.21.22.23

CROSSREFS

Cf. A264364.

Sequence in context: A232002 A220679 A201092 * A232313 A133583 A189277

Adjacent sequences:  A264360 A264361 A264362 * A264364 A264365 A264366

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 12 2015

STATUS

approved

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Last modified June 24 03:27 EDT 2021. Contains 345415 sequences. (Running on oeis4.)