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A264070 Number of (n+1)X(7+1) arrays of permutations of 0..n*8+7 with each element having index change +-(.,.) 0,0 0,1 or 1,2. 1

%I #6 Nov 10 2015 10:46:35

%S 610,75625,15892745,3057071776,601052131669,118020590202856,

%T 23180312098708413,4552817445649814704,894213655660356295077,

%U 175631478939257301328632,34495577433083786070527245

%N Number of (n+1)X(7+1) arrays of permutations of 0..n*8+7 with each element having index change +-(.,.) 0,0 0,1 or 1,2.

%C Column 7 of A264071.

%H R. H. Hardin, <a href="/A264070/b264070.txt">Table of n, a(n) for n = 1..210</a>

%F Empirical: a(n) = 191*a(n-1) +1102*a(n-2) -7594*a(n-3) -38349*a(n-4) +38507*a(n-5) for n>8

%e Some solutions for n=2

%e ..0..1..2..3.14..5..6..7...10..1..2.12..4..5.15..7....9..1..2..3..4..5..6..7

%e ..8..9.19.20.12.23..4.15....8..0.19.21..3.22.14..6....8..0.10.20.22.23.14.15

%e .16.17.18.10.11.21.22.13...16.17.18..9.20.11.13.23...16.17.18.19.11.21.12.13

%Y Cf. A264071.

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 02 2015

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Last modified August 11 12:11 EDT 2024. Contains 375069 sequences. (Running on oeis4.)