A089267 - OEIS

A089267 as a simple table

n	a(n)
1	0
2	1
3	1
4	23
5	1
6	2
7	1
8	18815
9	3
10	1
11	23
12	3
13	1
14	23
15	1
16	2
17	1
18	106597754640383
19	3
20	1
21	23
22	1
23	3
24	23
25	1
26	3
27	18815
28	1
29	2
30	1
31	23
32	3
33	1
34	23
35	1
36	2
37	1
38	18815
39	3
40	1
41	23
42	3
43	1
44	23
45	1
46	2
47	1
48	1715738475058821295603924428015888899408203312889855
49	3
50	1

[0,1,1,23,1,2,1,18815,3,1,23,3,1,23,1,2,1, 106597754640383,3,1,23,1,3,23,1,3,18815,1,2,1,23, 3,1,23,1,2,1,18815,3,1,23,3,1,23,1,2,1, 17157384750588212956039244280158888994082033128898\ 55,3,1]