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A264339 Number of (n+1)X(6+1) arrays of permutations of 0..n*7+6 with each element having index change +-(.,.) 0,0 0,1 or 1,2.

%I A264339 #4 Nov 11 2015 19:41:56
%S A264339 2521,223356,20386617,1855980772,168990466353,15386771913704,
%T A264339 1400983500645217,127561175981852920,11614593343457551705,
%U A264339 1057522224021474274212,96288627697354864622745
%N A264339 Number of (n+1)X(6+1) arrays of permutations of 0..n*7+6 with each element having index change +-(.,.) 0,0 0,1 or 1,2.
%C A264339 Column 6 of A264341.
%H A264339 R. H. Hardin, <a href="/A264339/b264339.txt">Table of n, a(n) for n = 1..210</a>
%F A264339 Empirical: a(n) = 87*a(n-1) +374*a(n-2) -470*a(n-3) +207*a(n-4) +3*a(n-5)
%e A264339 Some solutions for n=1
%e A264339 ..9..1..2..3..5..4..6....9..0..3..2.13..6..5....0.10..2.12..3..5..6
%e A264339 ..7..8..0.10.11.12.13....8..7.10..1.11.12..4....8..7..9..1.11.13..4
%Y A264339 Cf. A264341.
%K A264339 nonn
%O A264339 1,1
%A A264339 _R. H. Hardin_, Nov 11 2015