A258451 - cp's OEIS frontend

A258451 a(n) = 1 + a(n-1)/gcd(a(n-1),n) with a(0)=3.

n	a(n)
0	3
1	4
2	3
3	2
4	2
5	3
6	2
7	3
8	4
9	5
10	2
11	3
12	2
13	3
14	4
15	5
16	6
17	7
18	8
19	9
20	10
21	11
22	2
23	3
24	2
25	3
26	4
27	5
28	6
29	7
30	8
31	9
32	10
33	11
34	12
35	13
36	14
37	15
38	16
39	17
40	18
41	19
42	20
43	21
44	22
45	23
46	2
47	3
48	2
49	3
50	4
51	5
52	6
53	7
54	8
55	9
56	10
57	11
58	12
59	13
60	14
61	15
62	16
63	17
64	18
65	19
66	20
67	21
68	22
69	23
70	24
71	25
72	26
73	27
74	28
75	29
76	30
77	31
78	32
79	33
80	34
81	35
82	36
83	37
84	38
85	39
86	40
87	41
88	42
89	43
90	44
91	45
92	46
93	47
94	2
95	3
96	2
97	3
98	4
99	5
100	2
101	3
102	2
103	3
104	4
105	5
106	6
107	7
108	8

[3, 4, 3, 2, 2, 3, 2, 3, 4, 5, 2, 3, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 2, 3, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 2, 3, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 2, 3, 2, 3, 4, 5, 2, 3, 2, 3, 4, 5, 6, 7, 8]

cp's OEIS Frontend

A258451 a(n) = 1 + a(n-1)/gcd(a(n-1),n) with a(0)=3.

Table of values

List of values

n	a(n)
0	3
1	4
2	3
3	2
4	2
5	3
6	2
7	3
8	4
9	5
10	2
11	3
12	2
13	3
14	4
15	5
16	6
17	7
18	8
19	9
20	10
21	11
22	2
23	3
24	2
25	3
26	4
27	5
28	6
29	7
30	8
31	9
32	10
33	11
34	12
35	13
36	14
37	15
38	16
39	17
40	18
41	19
42	20
43	21
44	22
45	23
46	2
47	3
48	2
49	3
50	4
51	5
52	6
53	7
54	8
55	9
56	10
57	11
58	12
59	13
60	14
61	15
62	16
63	17
64	18
65	19
66	20
67	21
68	22
69	23
70	24
71	25
72	26
73	27
74	28
75	29
76	30
77	31
78	32
79	33
80	34
81	35
82	36
83	37
84	38
85	39
86	40
87	41
88	42
89	43
90	44
91	45
92	46
93	47
94	2
95	3
96	2
97	3
98	4
99	5
100	2
101	3
102	2
103	3
104	4
105	5
106	6
107	7
108	8

n	a(n)
0	3
1	4
2	3
3	2
4	2
5	3
6	2
7	3
8	4
9	5
10	2
11	3
12	2
13	3
14	4
15	5
16	6
17	7
18	8
19	9
20	10
21	11
22	2
23	3
24	2
25	3
26	4
27	5
28	6
29	7
30	8
31	9
32	10
33	11
34	12
35	13
36	14
37	15
38	16
39	17
40	18
41	19
42	20
43	21
44	22
45	23
46	2
47	3
48	2
49	3
50	4
51	5
52	6
53	7
54	8
55	9
56	10
57	11
58	12
59	13
60	14
61	15
62	16
63	17
64	18
65	19
66	20
67	21
68	22
69	23
70	24
71	25
72	26
73	27
74	28
75	29
76	30
77	31
78	32
79	33
80	34
81	35
82	36
83	37
84	38
85	39
86	40
87	41
88	42
89	43
90	44
91	45
92	46
93	47
94	2
95	3
96	2
97	3
98	4
99	5
100	2
101	3
102	2
103	3
104	4
105	5
106	6
107	7
108	8

n	a(n)
0	3
1	4
2	3
3	2
4	2
5	3
6	2
7	3
8	4
9	5
10	2
11	3
12	2
13	3
14	4
15	5
16	6
17	7
18	8
19	9
20	10
21	11
22	2
23	3
24	2
25	3
26	4
27	5
28	6
29	7
30	8
31	9
32	10
33	11
34	12
35	13
36	14
37	15
38	16
39	17
40	18
41	19
42	20
43	21
44	22
45	23
46	2
47	3
48	2
49	3
50	4
51	5
52	6
53	7
54	8
55	9
56	10
57	11
58	12
59	13
60	14
61	15
62	16
63	17
64	18
65	19
66	20
67	21
68	22
69	23
70	24
71	25
72	26
73	27
74	28
75	29
76	30
77	31
78	32
79	33
80	34
81	35
82	36
83	37
84	38
85	39
86	40
87	41
88	42
89	43
90	44
91	45
92	46
93	47
94	2
95	3
96	2
97	3
98	4
99	5
100	2
101	3
102	2
103	3
104	4
105	5
106	6
107	7
108	8