A122462 - cp's OEIS frontend

A122462 a(n) = gcd(b(n-1),b(n)), where b(i) = A122280(i).

n	a(n)
3	2
4	2
5	3
6	3
7	3
8	2
9	5
10	5
11	3
12	2
13	2
14	7
15	7
16	3
17	2
18	11
19	11
20	3
21	3
22	2
23	2
24	13
25	13
26	3
27	2
28	17
29	17
30	3
31	2
32	5
33	5
34	7
35	2
36	19
37	19
38	3
39	5
40	2
41	23
42	23
43	3
44	2
45	2
46	2
47	2
48	11
49	5
50	2
51	29
52	29
53	3
54	7
55	7
56	2
57	31
58	31
59	3
60	2
61	13
62	5
63	2
64	2
65	37
66	37
67	3
68	3
69	3
70	2
71	2
72	41
73	41
74	3
75	3
76	7
77	11
78	2
79	43
80	43
81	3
82	2
83	2
84	47
85	47
86	3
87	2
88	2
89	5
90	5
91	5
92	2
93	2
94	2

[2, 2, 3, 3, 3, 2, 5, 5, 3, 2, 2, 7, 7, 3, 2, 11, 11, 3, 3, 2, 2, 13, 13, 3, 2, 17, 17, 3, 2, 5, 5, 7, 2, 19, 19, 3, 5, 2, 23, 23, 3, 2, 2, 2, 2, 11, 5, 2, 29, 29, 3, 7, 7, 2, 31, 31, 3, 2, 13, 5, 2, 2, 37, 37, 3, 3, 3, 2, 2, 41, 41, 3, 3, 7, 11, 2, 43, 43, 3, 2, 2, 47, 47, 3, 2, 2, 5, 5, 5, 2, 2, 2]

cp's OEIS Frontend

A122462 a(n) = gcd(b(n-1),b(n)), where b(i) = A122280(i).

Table of values

List of values

n	a(n)
3	2
4	2
5	3
6	3
7	3
8	2
9	5
10	5
11	3
12	2
13	2
14	7
15	7
16	3
17	2
18	11
19	11
20	3
21	3
22	2
23	2
24	13
25	13
26	3
27	2
28	17
29	17
30	3
31	2
32	5
33	5
34	7
35	2
36	19
37	19
38	3
39	5
40	2
41	23
42	23
43	3
44	2
45	2
46	2
47	2
48	11
49	5
50	2
51	29
52	29
53	3
54	7
55	7
56	2
57	31
58	31
59	3
60	2
61	13
62	5
63	2
64	2
65	37
66	37
67	3
68	3
69	3
70	2
71	2
72	41
73	41
74	3
75	3
76	7
77	11
78	2
79	43
80	43
81	3
82	2
83	2
84	47
85	47
86	3
87	2
88	2
89	5
90	5
91	5
92	2
93	2
94	2

n	a(n)
3	2
4	2
5	3
6	3
7	3
8	2
9	5
10	5
11	3
12	2
13	2
14	7
15	7
16	3
17	2
18	11
19	11
20	3
21	3
22	2
23	2
24	13
25	13
26	3
27	2
28	17
29	17
30	3
31	2
32	5
33	5
34	7
35	2
36	19
37	19
38	3
39	5
40	2
41	23
42	23
43	3
44	2
45	2
46	2
47	2
48	11
49	5
50	2
51	29
52	29
53	3
54	7
55	7
56	2
57	31
58	31
59	3
60	2
61	13
62	5
63	2
64	2
65	37
66	37
67	3
68	3
69	3
70	2
71	2
72	41
73	41
74	3
75	3
76	7
77	11
78	2
79	43
80	43
81	3
82	2
83	2
84	47
85	47
86	3
87	2
88	2
89	5
90	5
91	5
92	2
93	2
94	2

n	a(n)
3	2
4	2
5	3
6	3
7	3
8	2
9	5
10	5
11	3
12	2
13	2
14	7
15	7
16	3
17	2
18	11
19	11
20	3
21	3
22	2
23	2
24	13
25	13
26	3
27	2
28	17
29	17
30	3
31	2
32	5
33	5
34	7
35	2
36	19
37	19
38	3
39	5
40	2
41	23
42	23
43	3
44	2
45	2
46	2
47	2
48	11
49	5
50	2
51	29
52	29
53	3
54	7
55	7
56	2
57	31
58	31
59	3
60	2
61	13
62	5
63	2
64	2
65	37
66	37
67	3
68	3
69	3
70	2
71	2
72	41
73	41
74	3
75	3
76	7
77	11
78	2
79	43
80	43
81	3
82	2
83	2
84	47
85	47
86	3
87	2
88	2
89	5
90	5
91	5
92	2
93	2
94	2