A370628 - cp's OEIS frontend

A370628 a(n) = GCD(A280864(n), A280864(n+1)).

n	a(n)
1	1
2	2
3	1
4	3
5	2
6	1
7	5
8	2
9	3
10	1
11	7
12	2
13	1
14	11
15	2
16	3
17	5
18	4
19	3
20	7
21	2
22	13
23	1
24	17
25	2
26	15
27	1
28	19
29	2
30	1
31	23
32	2
33	9
34	1
35	5
36	7
37	6
38	1
39	29
40	2
41	5
42	11
43	3
44	13
45	4
46	11
47	7
48	1
49	31
50	2
51	5
52	13
53	6
54	1
55	37
56	2
57	7
58	3
59	17
60	4
61	15
62	1
63	41
64	2
65	1
66	43
67	2
68	33
69	1
70	47
71	2
72	35
73	3
74	19
75	4
76	3
77	23
78	4
79	5

[1, 2, 1, 3, 2, 1, 5, 2, 3, 1, 7, 2, 1, 11, 2, 3, 5, 4, 3, 7, 2, 13, 1, 17, 2, 15, 1, 19, 2, 1, 23, 2, 9, 1, 5, 7, 6, 1, 29, 2, 5, 11, 3, 13, 4, 11, 7, 1, 31, 2, 5, 13, 6, 1, 37, 2, 7, 3, 17, 4, 15, 1, 41, 2, 1, 43, 2, 33, 1, 47, 2, 35, 3, 19, 4, 3, 23, 4, 5]

cp's OEIS Frontend

A370628 a(n) = GCD(A280864(n), A280864(n+1)).

Table of values

List of values

n	a(n)
1	1
2	2
3	1
4	3
5	2
6	1
7	5
8	2
9	3
10	1
11	7
12	2
13	1
14	11
15	2
16	3
17	5
18	4
19	3
20	7
21	2
22	13
23	1
24	17
25	2
26	15
27	1
28	19
29	2
30	1
31	23
32	2
33	9
34	1
35	5
36	7
37	6
38	1
39	29
40	2
41	5
42	11
43	3
44	13
45	4
46	11
47	7
48	1
49	31
50	2
51	5
52	13
53	6
54	1
55	37
56	2
57	7
58	3
59	17
60	4
61	15
62	1
63	41
64	2
65	1
66	43
67	2
68	33
69	1
70	47
71	2
72	35
73	3
74	19
75	4
76	3
77	23
78	4
79	5

n	a(n)
1	1
2	2
3	1
4	3
5	2
6	1
7	5
8	2
9	3
10	1
11	7
12	2
13	1
14	11
15	2
16	3
17	5
18	4
19	3
20	7
21	2
22	13
23	1
24	17
25	2
26	15
27	1
28	19
29	2
30	1
31	23
32	2
33	9
34	1
35	5
36	7
37	6
38	1
39	29
40	2
41	5
42	11
43	3
44	13
45	4
46	11
47	7
48	1
49	31
50	2
51	5
52	13
53	6
54	1
55	37
56	2
57	7
58	3
59	17
60	4
61	15
62	1
63	41
64	2
65	1
66	43
67	2
68	33
69	1
70	47
71	2
72	35
73	3
74	19
75	4
76	3
77	23
78	4
79	5

n	a(n)
1	1
2	2
3	1
4	3
5	2
6	1
7	5
8	2
9	3
10	1
11	7
12	2
13	1
14	11
15	2
16	3
17	5
18	4
19	3
20	7
21	2
22	13
23	1
24	17
25	2
26	15
27	1
28	19
29	2
30	1
31	23
32	2
33	9
34	1
35	5
36	7
37	6
38	1
39	29
40	2
41	5
42	11
43	3
44	13
45	4
46	11
47	7
48	1
49	31
50	2
51	5
52	13
53	6
54	1
55	37
56	2
57	7
58	3
59	17
60	4
61	15
62	1
63	41
64	2
65	1
66	43
67	2
68	33
69	1
70	47
71	2
72	35
73	3
74	19
75	4
76	3
77	23
78	4
79	5