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A264532 Number of (n+1)X(6+1) arrays of permutations of 0..n*7+6 with each element having directed index change -2,-2 -1,0 0,1 or 1,0. 1
1, 16, 261, 3256, 82961, 1293264, 22000750, 400032412, 6346673554, 110239970880, 1782515148562, 30186931360436, 492032288243663, 8215026875398028, 134742999702401601, 2230378105458061646, 36699077259627534623 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 6 of A264534.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..77

EXAMPLE

Some solutions for n=4

..7..0..1.19.20.12.13....7..0..1.10.20..4.13....7.17..1..2..3..4..5

.14.15..2..3..4..5..6...14.15..2..3.18..5..6....0.15..8.26.27.11..6

.30..8..9.10.11.26.27...30..8..9.33.11.12.19...30.14..9.10.34.12.13

.28.29.16.17.18.25.34...28.29.16.17.32.25.34...28.29.16.31.18.19.20

.21.22.23.24.31.32.33...21.22.23.24.31.26.27...21.22.23.24.25.32.33

CROSSREFS

Cf. A264534.

Sequence in context: A220742 A266023 A223623 * A240368 A204715 A203841

Adjacent sequences:  A264529 A264530 A264531 * A264533 A264534 A264535

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 17 2015

STATUS

approved

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Last modified May 26 02:35 EDT 2019. Contains 323579 sequences. (Running on oeis4.)