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 A264503 Number of (n+1)X(5+1) arrays of permutations of 0..n*6+5 with each element having directed index change -1,1 0,-1 0,1 or 1,0. 1

%I

%S 12,137,1235,11464,110185,1041411,9813822,92711566,875322080,

%T 8261489271,77981545571,736076339200,6947743949479,65579070096730,

%U 618994874736592,5842629196198092,55147965821180148,520535907746961067

%N Number of (n+1)X(5+1) arrays of permutations of 0..n*6+5 with each element having directed index change -1,1 0,-1 0,1 or 1,0.

%C Column 5 of A264506.

%H R. H. Hardin, <a href="/A264503/b264503.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A264503/a264503.txt">Empirical recurrence of order 84</a>

%F Empirical recurrence of order 84 (see link above)

%e Some solutions for n=4

%e ..1..2..3..8..5..4....1..6..3..2..5..4....1..6..3..8..9.10....1..2..3..8..9..4

%e ..0.12.13.14.11.10....0..8..9.14.15.16....0.12..2.14..4..5....0..6..7.10.11..5

%e ..6..7.15..9.21.16...13..7.19.20.10.11...13..7.15.20.21.11...13.12.15.20.17.16

%e .19.20.25.22.23.17...12.24.25.22.21.17...19.24.25.22.16.17...19.18.14.22.21.28

%e .18.24.27.26.29.28...18.26.27.28.29.23...18.26.27.28.29.23...25.24.27.26.29.23

%Y Cf. A264506.

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 15 2015

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Last modified September 19 21:42 EDT 2020. Contains 337184 sequences. (Running on oeis4.)