A256918 - cp's OEIS frontend

A256918 Greatest common divisors of adjacent terms in A257218.

n	a(n)
1	1
2	1
3	3
4	2
5	4
6	2
7	5
8	5
9	3
10	9
11	6
12	4
13	8
14	6
15	10
16	20
17	8
18	16
19	12
20	9
21	27
22	18
23	12
24	15
25	15
26	25
27	25
28	10
29	7
30	7
31	14
32	14
33	21
34	21
35	63
36	42
37	28
38	56
39	16
40	32
41	24
42	40
43	20
44	50
45	30
46	18
47	27
48	81
49	54
50	72
51	24
52	28
53	35
54	35
55	105
56	30
57	45
58	45
59	75
60	100
61	40
62	32
63	64
64	48
65	48
66	36
67	63
68	189

[1, 1, 3, 2, 4, 2, 5, 5, 3, 9, 6, 4, 8, 6, 10, 20, 8, 16, 12, 9, 27, 18, 12, 15, 15, 25, 25, 10, 7, 7, 14, 14, 21, 21, 63, 42, 28, 56, 16, 32, 24, 40, 20, 50, 30, 18, 27, 81, 54, 72, 24, 28, 35, 35, 105, 30, 45, 45, 75, 100, 40, 32, 64, 48, 48, 36, 63, 189]

cp's OEIS Frontend

A256918 Greatest common divisors of adjacent terms in A257218.

Table of values

List of values

n	a(n)
1	1
2	1
3	3
4	2
5	4
6	2
7	5
8	5
9	3
10	9
11	6
12	4
13	8
14	6
15	10
16	20
17	8
18	16
19	12
20	9
21	27
22	18
23	12
24	15
25	15
26	25
27	25
28	10
29	7
30	7
31	14
32	14
33	21
34	21
35	63
36	42
37	28
38	56
39	16
40	32
41	24
42	40
43	20
44	50
45	30
46	18
47	27
48	81
49	54
50	72
51	24
52	28
53	35
54	35
55	105
56	30
57	45
58	45
59	75
60	100
61	40
62	32
63	64
64	48
65	48
66	36
67	63
68	189

n	a(n)
1	1
2	1
3	3
4	2
5	4
6	2
7	5
8	5
9	3
10	9
11	6
12	4
13	8
14	6
15	10
16	20
17	8
18	16
19	12
20	9
21	27
22	18
23	12
24	15
25	15
26	25
27	25
28	10
29	7
30	7
31	14
32	14
33	21
34	21
35	63
36	42
37	28
38	56
39	16
40	32
41	24
42	40
43	20
44	50
45	30
46	18
47	27
48	81
49	54
50	72
51	24
52	28
53	35
54	35
55	105
56	30
57	45
58	45
59	75
60	100
61	40
62	32
63	64
64	48
65	48
66	36
67	63
68	189

n	a(n)
1	1
2	1
3	3
4	2
5	4
6	2
7	5
8	5
9	3
10	9
11	6
12	4
13	8
14	6
15	10
16	20
17	8
18	16
19	12
20	9
21	27
22	18
23	12
24	15
25	15
26	25
27	25
28	10
29	7
30	7
31	14
32	14
33	21
34	21
35	63
36	42
37	28
38	56
39	16
40	32
41	24
42	40
43	20
44	50
45	30
46	18
47	27
48	81
49	54
50	72
51	24
52	28
53	35
54	35
55	105
56	30
57	45
58	45
59	75
60	100
61	40
62	32
63	64
64	48
65	48
66	36
67	63
68	189