A165838 - OEIS

A165838 as a simple table

n	a(n)
1	1
2	17
3	17
4	289
5	17
6	289
7	17
8	4913
9	289
10	289
11	17
12	4913
13	17
14	289
15	289
16	83521
17	17
18	4913
19	17
20	4913
21	289
22	289
23	17
24	83521
25	289
26	289
27	4913
28	4913
29	17
30	4913
31	17
32	1419857
33	289
34	289
35	289
36	83521
37	17
38	289
39	289
40	83521
41	17
42	4913
43	17
44	4913
45	4913
46	289
47	17
48	1419857
49	289
50	4913

[1,17,17,289,17,289,17,4913,289,289,17,4913,17, 289,289,83521,17,4913,17,4913,289,289,17,83521, 289,289,4913,4913,17,4913,17,1419857,289,289,289, 83521,17,289,289,83521,17,4913,17,4913,4913,289, 17,1419857,289,4913]