A137613 - cp's OEIS frontend

A137613 Omit the 1's from Rowland's sequence f(n) - f(n-1) = gcd(n,f(n-1)), where f(1) = 7.

n	a(n)
1	5
2	3
3	11
4	3
5	23
6	3
7	47
8	3
9	5
10	3
11	101
12	3
13	7
14	11
15	3
16	13
17	233
18	3
19	467
20	3
21	5
22	3
23	941
24	3
25	7
26	1889
27	3
28	3779
29	3
30	7559
31	3
32	13
33	15131
34	3
35	53
36	3
37	7
38	30323
39	3
40	60647
41	3
42	5
43	3
44	101
45	3
46	121403
47	3
48	242807
49	3
50	5
51	3
52	19
53	7
54	5
55	3
56	47
57	3
58	37
59	5
60	3
61	17
62	3
63	199
64	53
65	3
66	29
67	3
68	486041
69	3
70	7
71	421
72	23

[5, 3, 11, 3, 23, 3, 47, 3, 5, 3, 101, 3, 7, 11, 3, 13, 233, 3, 467, 3, 5, 3, 941, 3, 7, 1889, 3, 3779, 3, 7559, 3, 13, 15131, 3, 53, 3, 7, 30323, 3, 60647, 3, 5, 3, 101, 3, 121403, 3, 242807, 3, 5, 3, 19, 7, 5, 3, 47, 3, 37, 5, 3, 17, 3, 199, 53, 3, 29, 3, 486041, 3, 7, 421, 23]

cp's OEIS Frontend

A137613 Omit the 1's from Rowland's sequence f(n) - f(n-1) = gcd(n,f(n-1)), where f(1) = 7.

Table of values

List of values