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 A264420 Number of (n+1)X(5+1) arrays of permutations of 0..n*6+5 with each element having directed index change 0,1 2,2 1,0 -1,2 -2,-1 or -1,-1. 1

%I

%S 4,119,2681,101862,4023076,147984724,5498758183,201733617932,

%T 7423226389478,272586759114218,10017280306174267,368272005900678107,

%U 13531455789624669204,497163630139105690695,18268217310170065817424

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

%C Column 5 of A264422.

%H R. H. Hardin, <a href="/A264420/b264420.txt">Table of n, a(n) for n = 1..46</a>

%e Some solutions for n=4

%e ..7..8.15.16.17..4....7..8..6.10.17..4....7..0..1.10.11..4....7..0.15.10..3..4

%e ..0.14..2..3..9..5....0..1..2..3.23..5...19.14..2.16.23..5...19.20..2.16.17..5

%e .19.20.21..1.10.11...19.20.21..9.29.11....6.26..8..9.15..3....6.26.27..1.29.11

%e .12.13..6.28.29.22...25.26.14.28.16.27...12.13.27.25.29.17...12.13.14.28..8..9

%e .18.24.25.26.27.23...18.24.12.13.22.15...18.24.20.21.22.28...18.24.25.21.22.23

%Y Cf. A264422.

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 12 2015

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Last modified November 27 12:51 EST 2021. Contains 349394 sequences. (Running on oeis4.)