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A264383 Number of (5+1)X(n+1) arrays of permutations of 0..n*6+5 with each element having directed index change 2,-2 -1,0 -1,2 1,0 or 0,-1. 1

%I

%S 1,128,3249,63575,1742881,45132986,1187897216,30373276651,

%T 792780331712,20444262438305,530521904672461,13716515010894393,

%U 355463297798764953,9199078922790223336,238250431643039032101,6167702521336260154448

%N Number of (5+1)X(n+1) arrays of permutations of 0..n*6+5 with each element having directed index change 2,-2 -1,0 -1,2 1,0 or 0,-1.

%C Row 5 of A264379.

%H R. H. Hardin, <a href="/A264383/b264383.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

%e ..5..2..3..4..9....1..2..3..6..7....1..6..5..4..7....5..2..3..4..9

%e ..0..1.10.11.12....0.11..8..9..4....0.11.10..9.12....0..1.10.11.12

%e .15..6..7..8.19....5.12.15.14.19....2..3.15.18.17...15..6.13.18.19

%e .20.21.22.13.14...10.17.18.13.22...16..8.22.19.14....7..8.20.21.22

%e .25.16.17.18.29...21.16.25.26.29...25.13.27.26.29...25.16.14.26.29

%e .26.27.28.23.24...20.27.28.23.24...20.21.28.23.24...17.27.28.23.24

%Y Cf. A264379.

%K nonn

%O 1,2

%A _R. H. Hardin_, Nov 12 2015

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Last modified July 15 16:29 EDT 2019. Contains 325049 sequences. (Running on oeis4.)