cp's OEIS Frontend

A264632 Number of (5+1)X(n+1) arrays of permutations of 0..n*6+5 with each element having directed index change -2,0 -1,0 0,-1 or 1,1.

%I A264632 #4 Nov 19 2015 07:00:06
%S A264632 1,16,61,660,6107,37225,349391,2557552,19278771,156296532,1179331101,
%T A264632 9153019452,71351814352,548547053971,4256314971079,32951502011481,
%U A264632 254689445056816,1972727580974503,15263452717088948,118105432842264754
%N A264632 Number of (5+1)X(n+1) arrays of permutations of 0..n*6+5 with each element having directed index change -2,0 -1,0 0,-1 or 1,1.
%C A264632 Row 5 of A264628.
%H A264632 R. H. Hardin, <a href="/A264632/b264632.txt">Table of n, a(n) for n = 1..210</a>
%e A264632 Some solutions for n=4
%e A264632 ..5..2..3..4..9....1..6..3..4..9....1..2.12..4.14....5..6..7..4..9
%e A264632 .10..0..1.13.14...10..0.12..2.14....6..0.17..9..3...10..0..1..2..3
%e A264632 .11.12..6..7..8...11..5.13..7..8...11..5.13..7..8...15.12.13.14..8
%e A264632 .16.21.18.19.24...16.17.22.19.24...16.10.22.19.24...16.17.11.19.24
%e A264632 .25.15.27.17.29...25.15.27.28.18...25.15.27.28.18...25.22.27.28.18
%e A264632 .26.20.28.22.23...26.20.21.29.23...26.20.21.29.23...26.20.21.29.23
%Y A264632 Cf. A264628.
%K A264632 nonn
%O A264632 1,2
%A A264632 _R. H. Hardin_, Nov 19 2015