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A264538 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 0,1 or 1,0. 1
1, 49, 229, 1424, 13144, 82961, 634896, 4694020, 32872021, 244392537, 1765292857, 12747481387, 93145148713, 673978017460, 4893625572761, 35569184047850, 257943895485308, 1873372187763379, 13601305147581957, 98717584859718118 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 5 of A264534.

LINKS

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

EXAMPLE

Some solutions for n=4

..5..6..7..8..3...12..6..1..2..3....5..6.14..2..9...12..0..1..8..9

..0..1..2.13..4....0.18.19..7..4....0..1.19..3..4...17.11..2..3..4

.15.16.24.12..9....5.10.11..8..9...22.10..7..8.13....5..6..7.18.19

.10.11.29.17.14...27.15.22.13.14...27.11.12.17.24...10.28.29.13.14

.25.26.27.18.19...25.16.17.28.29...15.16.21.18.29...15.16.21.22.23

.20.21.22.23.28...20.21.26.23.24...20.25.26.23.28...20.25.26.27.24

CROSSREFS

Cf. A264534.

Sequence in context: A100453 A017150 A137880 * A266799 A211741 A211761

Adjacent sequences:  A264535 A264536 A264537 * A264539 A264540 A264541

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 17 2015

STATUS

approved

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Last modified May 19 20:39 EDT 2019. Contains 323407 sequences. (Running on oeis4.)