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A264580 Number of (n+1)X(5+1) arrays of permutations of 0..n*6+5 with each element having directed index change 1,0 0,-1 1,2 or -1,1. 1

%I #4 Nov 18 2015 20:32:34

%S 1,16,97,553,3668,24370,145761,905291,5678975,35331350,219280373,

%T 1365001746,8497501967,52836680760,328652764556,2044693862684,

%U 12719074189744,79117923662603,492169411569361,3061623752650382

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

%C Column 5 of A264583.

%H R. H. Hardin, <a href="/A264580/b264580.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A264580/a264580.txt">Empirical recurrence of order 84</a>

%F Empirical recurrence of order 84 (see link above)

%e Some solutions for n=4

%e ..1..6..3..4..5.10....1..6..3..4..9.10....1..2..7..4..9.10....1..6..7..4..5.10

%e ..0..8..2.14.11.16....7..8..0.14..2..5....0.12.13..3.15..5....0..8..9..3..2.16

%e .13.18.15..7.17..9...13.18.15.20.17.11....6.18..8.16.21.11...13.18.15.20.21.11

%e .19.24.12.22.27.28...19.24.12.22.16.28...19.24.14.22.27.17...19.24.12.22.14.17

%e .25.26.20.21.29.23...25.26.27.21.29.23...25.26.20.28.29.23...25.26.27.28.29.23

%Y Cf. A264583.

%K nonn

%O 1,2

%A _R. H. Hardin_, Nov 18 2015

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Last modified April 23 10:29 EDT 2024. Contains 371905 sequences. (Running on oeis4.)