A264286 - cp's OEIS frontend

A264286 Number of (2+1)X(n+1) arrays of permutations of 0..n*3+2 with each element having directed index change 0,0 0,1 1,0 or -1,-2.

n	a(n)
1	1
2	10
3	32
4	102
5	360
6	1228
7	4156
8	14148
9	48188
10	163956
11	557884
12	1898612
13	6461148
14	21987412
15	74824380
16	254631924
17	866526236
18	2948835860
19	10035051900
20	34149835828
21	116213772252
22	395481874772
23	1345846631740
24	4579990298484

[1, 10, 32, 102, 360, 1228, 4156, 14148, 48188, 163956, 557884, 1898612, 6461148, 21987412, 74824380, 254631924, 866526236, 2948835860, 10035051900, 34149835828, 116213772252, 395481874772, 1345846631740, 4579990298484]

cp's OEIS Frontend

A264286 Number of (2+1)X(n+1) arrays of permutations of 0..n*3+2 with each element having directed index change 0,0 0,1 1,0 or -1,-2.

Table of values

List of values