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A264188 Number of (n+1)X(6+1) arrays of permutations of 0..n*7+6 with each element having index change +-(.,.) 0,0 1,-1 or 2,2. 1

%I

%S 64,6656,705600,57950000,5479256484,499844745900,45243595984896,

%T 4139503087656960,376732468150329600,34302611796922400568,

%U 3124653926801074632441,284425726642352554363569

%N Number of (n+1)X(6+1) arrays of permutations of 0..n*7+6 with each element having index change +-(.,.) 0,0 1,-1 or 2,2.

%C Column 6 of A264190.

%H R. H. Hardin, <a href="/A264188/b264188.txt">Table of n, a(n) for n = 1..126</a>

%e Some solutions for n=2

%e .16..1..8..9..4..5.12....0..7..8..3.20..5..6....0..1..8..3.20..5..6

%e ..7..2..3.10.11..6.19....1..2.15.16.11.12.19....7..2.15.16.17.18.13

%e .14.15..0.17.18.13.20...14..9.10.17.18.13..4...14..9.10.11.12.19..4

%Y Cf. A264190.

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 06 2015

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Last modified June 30 19:43 EDT 2022. Contains 354945 sequences. (Running on oeis4.)