A305399 - cp's OEIS frontend

A305399 Index of the largest prime dividing p-1, where p = A073918(n) is the smallest prime such that p-1 has n distinct prime factors; a(0) = 0.

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	8
7	10
8	9
9	11
10	11
11	11
12	14
13	15
14	17
15	16
16	18
17	21
18	21
19	24
20	23
21	22
22	23
23	27
24	30
25	26
26	29
27	31
28	29
29	30
30	35
31	34
32	39
33	36
34	39
35	37
36	39
37	41
38	39
39	43
40	42
41	43
42	46
43	45
44	45
45	46
46	51
47	52
48	49
49	53
50	56
51	58
52	58
53	54
54	58
55	56
56	59
57	61
58	60
59	62
60	63
61	66
62	66
63	65
64	65
65	68
66	68
67	71
68	70
69	71
70	73
71	72
72	73
73	75
74	75
75	75
76	78
77	79
78	82
79	83
80	89
81	83
82	85

[0, 1, 2, 3, 4, 5, 8, 10, 9, 11, 11, 11, 14, 15, 17, 16, 18, 21, 21, 24, 23, 22, 23, 27, 30, 26, 29, 31, 29, 30, 35, 34, 39, 36, 39, 37, 39, 41, 39, 43, 42, 43, 46, 45, 45, 46, 51, 52, 49, 53, 56, 58, 58, 54, 58, 56, 59, 61, 60, 62, 63, 66, 66, 65, 65, 68, 68, 71, 70, 71, 73, 72, 73, 75, 75, 75, 78, 79, 82, 83, 89, 83, 85]

cp's OEIS Frontend

A305399 Index of the largest prime dividing p-1, where p = A073918(n) is the smallest prime such that p-1 has n distinct prime factors; a(0) = 0.

Table of values

List of values

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	8
7	10
8	9
9	11
10	11
11	11
12	14
13	15
14	17
15	16
16	18
17	21
18	21
19	24
20	23
21	22
22	23
23	27
24	30
25	26
26	29
27	31
28	29
29	30
30	35
31	34
32	39
33	36
34	39
35	37
36	39
37	41
38	39
39	43
40	42
41	43
42	46
43	45
44	45
45	46
46	51
47	52
48	49
49	53
50	56
51	58
52	58
53	54
54	58
55	56
56	59
57	61
58	60
59	62
60	63
61	66
62	66
63	65
64	65
65	68
66	68
67	71
68	70
69	71
70	73
71	72
72	73
73	75
74	75
75	75
76	78
77	79
78	82
79	83
80	89
81	83
82	85

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	8
7	10
8	9
9	11
10	11
11	11
12	14
13	15
14	17
15	16
16	18
17	21
18	21
19	24
20	23
21	22
22	23
23	27
24	30
25	26
26	29
27	31
28	29
29	30
30	35
31	34
32	39
33	36
34	39
35	37
36	39
37	41
38	39
39	43
40	42
41	43
42	46
43	45
44	45
45	46
46	51
47	52
48	49
49	53
50	56
51	58
52	58
53	54
54	58
55	56
56	59
57	61
58	60
59	62
60	63
61	66
62	66
63	65
64	65
65	68
66	68
67	71
68	70
69	71
70	73
71	72
72	73
73	75
74	75
75	75
76	78
77	79
78	82
79	83
80	89
81	83
82	85

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	8
7	10
8	9
9	11
10	11
11	11
12	14
13	15
14	17
15	16
16	18
17	21
18	21
19	24
20	23
21	22
22	23
23	27
24	30
25	26
26	29
27	31
28	29
29	30
30	35
31	34
32	39
33	36
34	39
35	37
36	39
37	41
38	39
39	43
40	42
41	43
42	46
43	45
44	45
45	46
46	51
47	52
48	49
49	53
50	56
51	58
52	58
53	54
54	58
55	56
56	59
57	61
58	60
59	62
60	63
61	66
62	66
63	65
64	65
65	68
66	68
67	71
68	70
69	71
70	73
71	72
72	73
73	75
74	75
75	75
76	78
77	79
78	82
79	83
80	89
81	83
82	85