A223204 - cp's OEIS frontend

A223204 Rolling icosahedron face footprints: number of n X 3 0..19 arrays starting with 0 where 0..19 label faces of an icosahedron and every array movement to a horizontal or vertical neighbor moves across an icosahedral edge.

n	a(n)
1	9
2	75
3	657
4	5763
5	50553
6	443451
7	3889953
8	34122675
9	299324169
10	2625672171
11	23032401201
12	202040266467
13	1772297595801
14	15546597829275
15	136374785271873
16	1196279871788307
17	10493769275551017
18	92051363736382539
19	807474735076340817

[9, 75, 657, 5763, 50553, 443451, 3889953, 34122675, 299324169, 2625672171, 23032401201, 202040266467, 1772297595801, 15546597829275, 136374785271873, 1196279871788307, 10493769275551017, 92051363736382539, 807474735076340817]

cp's OEIS Frontend

A223204 Rolling icosahedron face footprints: number of n X 3 0..19 arrays starting with 0 where 0..19 label faces of an icosahedron and every array movement to a horizontal or vertical neighbor moves across an icosahedral edge.

Table of values

List of values