A208428 - cp's OEIS frontend

A208428 Number of n X 2 0..2 arrays with new values 0..2 introduced in row major order and no element equal to any knight-move neighbor (colorings ignoring permutations of colors).

n	a(n)
1	2
2	14
3	54
4	216
5	864
6	3456
7	13824
8	55296
9	221184
10	884736
11	3538944
12	14155776
13	56623104
14	226492416
15	905969664
16	3623878656
17	14495514624
18	57982058496
19	231928233984
20	927712935936
21	3710851743744
22	14843406974976
23	59373627899904

[2, 14, 54, 216, 864, 3456, 13824, 55296, 221184, 884736, 3538944, 14155776, 56623104, 226492416, 905969664, 3623878656, 14495514624, 57982058496, 231928233984, 927712935936, 3710851743744, 14843406974976, 59373627899904]

cp's OEIS Frontend

A208428 Number of n X 2 0..2 arrays with new values 0..2 introduced in row major order and no element equal to any knight-move neighbor (colorings ignoring permutations of colors).

Table of values

List of values