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A264058 Number of (n+1)X(7+1) arrays of permutations of 0..n*8+7 with each element having index change +-(.,.) 0,0 1,2 or 2,-2. 1

%I #6 Nov 10 2015 10:57:18

%S 64,15625,2073600,239878144,28543426704,3622687928896,431336822822500,

%T 52309619901665296,6320319513423439225,763444065670843677649,

%U 92439059495958921766969,11179187008813825703018496

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

%C Column 7 of A264059.

%H R. H. Hardin, <a href="/A264058/b264058.txt">Table of n, a(n) for n = 1..15</a>

%e Some solutions for n=2

%e .10.11.16.17..4..5..6..7...10..1..2.13..4..5.20..7...10.11..2.17.18.15.20.21

%e .18.19..0..1.22.13.14.15...18.19..0.21.22..3.14.15....8..9..0..1.22.13.14..5

%e ..2..3..8..9.20.21.12.23...16.17..8..9..6.11.12.23...16..3..4.19..6..7.12.23

%Y Cf. A264059.

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 02 2015

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Last modified March 29 05:48 EDT 2024. Contains 371265 sequences. (Running on oeis4.)