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A264139 Number of (n+1)X(5+1) arrays of permutations of 0..n*6+5 with each element having index change +-(.,.) 0,0 1,-2 or 1,1. 1
125, 3600, 168948, 7001316, 302693857, 12968882161, 557669432592, 23961367651225, 1029830209986505, 44257860256772484, 1902064324279323060, 81744371899738736400, 3513106985623904477549, 150981837422000537407225 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A264142.

LINKS

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

FORMULA

Empirical: a(n) = 43*a(n-1) -a(n-2) +3413255*a(n-6) -146769965*a(n-7) +3413255*a(n-8) -6304281985*a(n-12) +271084125355*a(n-13) -6304281985*a(n-14) +6304281985*a(n-18) -271084125355*a(n-19) +6304281985*a(n-20) -3413255*a(n-24) +146769965*a(n-25) -3413255*a(n-26) +a(n-30) -43*a(n-31) +a(n-32)

EXAMPLE

Some solutions for n=3

..7..1..9.10..4..5....0..8..2..3.11..5....0..1..6.10..4..9....0..1..9..7..4..5

..2..0.15.13..3.11....6..7..1..9.10..4....2..3.15..5.14.11...13..3.12..2.10.11

.12..6.14..8.23.17...12.13.18.19.23.21....8.13..7.19.16.17....8..6.18.15.23.17

.18.19.20.21.22.16...14.15.20.17.22.16...18.12.20.21.22.23...14.19.20.21.22.16

CROSSREFS

Cf. A264142.

Sequence in context: A017223 A265470 A017331 * A030690 A017451 A241034

Adjacent sequences:  A264136 A264137 A264138 * A264140 A264141 A264142

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 04 2015

STATUS

approved

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Last modified August 7 11:08 EDT 2020. Contains 336275 sequences. (Running on oeis4.)