A264057 - OEIS

A264057

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

%I #6 Nov 10 2015 10:56:53

%S 32,3375,207360,11151360,608212800,34260048000,1869178500000,

%T 102920833800000,5656555271250000,310843030421250000,

%U 17102133249581250000,940367566368000000000,51715504235250000000000

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

%C Column 6 of A264059.

%H R. H. Hardin, <a href="/A264057/b264057.txt">Table of n, a(n) for n = 1..107</a>

%e Some solutions for n=2

%e ..9.10..2.15..4..5..6....0..1.14.15.16..5..6....0.10.14..3.16..5.18

%e .16.17..0..1.11.12.13....7.17..9.19.20.12.13....7.17..9..1.11.12.13

%e .14..3..7..8.18.19.20....2..3..4..8.18.10.11....2.15..4..8..6.19.20

%Y Cf. A264059.

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 02 2015