A263818 - cp's OEIS frontend

A263818 Number of (2+1) X (n+1) arrays of permutations of 0..n*3+2 with each element having index change (+-,+-) 0,0 0,1 0,2 or 1,0.

n	a(n)
1	32
2	948
3	18776
4	333429
5	6425985
6	124854432
7	2392853088
8	45898515536
9	882504683737
10	16961728977667
11	325906704633704
12	6262921821080860
13	120359817883976272
14	2313001901843303293
15	44449848853940930817
16	854215652423448900720
17	16415908945488548695104
18	315472929981841479177936

[32, 948, 18776, 333429, 6425985, 124854432, 2392853088, 45898515536, 882504683737, 16961728977667, 325906704633704, 6262921821080860, 120359817883976272, 2313001901843303293, 44449848853940930817, 854215652423448900720, 16415908945488548695104, 315472929981841479177936]

cp's OEIS Frontend

A263818 Number of (2+1) X (n+1) arrays of permutations of 0..n*3+2 with each element having index change (+-,+-) 0,0 0,1 0,2 or 1,0.

Table of values

List of values