A376511 - cp's OEIS frontend

A376511 a(1) = 2. For n > 1, if a(n-1) is a novel term, a(n)=A001414(a(n-1)), else if there are k (>1) occurrences of a(j) = a(n-1) (1<=j<=n-1), a(n) is the smallest novel m such that A001414(m) = k*a(n-1).

n	a(n)
1	2
2	2
3	4
4	4
5	15
6	8
7	6
8	5
9	5
10	21
11	10
12	7
13	7
14	33
15	14
16	9
17	6
18	35
19	12
20	7
21	38
22	21
23	185
24	42
25	12
26	95
27	24
28	9
29	65
30	18
31	8
32	39
33	16
34	8
35	114
36	24
37	215
38	48
39	11
40	11
41	57
42	22
43	13
44	13
45	69
46	26
47	15
48	161
49	30
50	10
51	51
52	20
53	9
54	92
55	27
56	9
57	155
58	36
59	10
60	209
61	30
62	371
63	60
64	12
65	186
66	36
67	335
68	72

[2, 2, 4, 4, 15, 8, 6, 5, 5, 21, 10, 7, 7, 33, 14, 9, 6, 35, 12, 7, 38, 21, 185, 42, 12, 95, 24, 9, 65, 18, 8, 39, 16, 8, 114, 24, 215, 48, 11, 11, 57, 22, 13, 13, 69, 26, 15, 161, 30, 10, 51, 20, 9, 92, 27, 9, 155, 36, 10, 209, 30, 371, 60, 12, 186, 36, 335, 72]

cp's OEIS Frontend

A376511 a(1) = 2. For n > 1, if a(n-1) is a novel term, a(n)=A001414(a(n-1)), else if there are k (>1) occurrences of a(j) = a(n-1) (1<=j<=n-1), a(n) is the smallest novel m such that A001414(m) = k*a(n-1).

Table of values

List of values

n	a(n)
1	2
2	2
3	4
4	4
5	15
6	8
7	6
8	5
9	5
10	21
11	10
12	7
13	7
14	33
15	14
16	9
17	6
18	35
19	12
20	7
21	38
22	21
23	185
24	42
25	12
26	95
27	24
28	9
29	65
30	18
31	8
32	39
33	16
34	8
35	114
36	24
37	215
38	48
39	11
40	11
41	57
42	22
43	13
44	13
45	69
46	26
47	15
48	161
49	30
50	10
51	51
52	20
53	9
54	92
55	27
56	9
57	155
58	36
59	10
60	209
61	30
62	371
63	60
64	12
65	186
66	36
67	335
68	72

n	a(n)
1	2
2	2
3	4
4	4
5	15
6	8
7	6
8	5
9	5
10	21
11	10
12	7
13	7
14	33
15	14
16	9
17	6
18	35
19	12
20	7
21	38
22	21
23	185
24	42
25	12
26	95
27	24
28	9
29	65
30	18
31	8
32	39
33	16
34	8
35	114
36	24
37	215
38	48
39	11
40	11
41	57
42	22
43	13
44	13
45	69
46	26
47	15
48	161
49	30
50	10
51	51
52	20
53	9
54	92
55	27
56	9
57	155
58	36
59	10
60	209
61	30
62	371
63	60
64	12
65	186
66	36
67	335
68	72

n	a(n)
1	2
2	2
3	4
4	4
5	15
6	8
7	6
8	5
9	5
10	21
11	10
12	7
13	7
14	33
15	14
16	9
17	6
18	35
19	12
20	7
21	38
22	21
23	185
24	42
25	12
26	95
27	24
28	9
29	65
30	18
31	8
32	39
33	16
34	8
35	114
36	24
37	215
38	48
39	11
40	11
41	57
42	22
43	13
44	13
45	69
46	26
47	15
48	161
49	30
50	10
51	51
52	20
53	9
54	92
55	27
56	9
57	155
58	36
59	10
60	209
61	30
62	371
63	60
64	12
65	186
66	36
67	335
68	72