A373149 - cp's OEIS frontend

A373149 Fully additive with a(2) = 1 and a(p) = prevprime(p) for odd primes p.

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

[0, 1, 2, 2, 3, 3, 5, 3, 4, 4, 7, 4, 11, 6, 5, 4, 13, 5, 17, 5, 7, 8, 19, 5, 6, 12, 6, 7, 23, 6, 29, 5, 9, 14, 8, 6, 31, 18, 13, 6, 37, 8, 41, 9, 7, 20, 43, 6, 10, 7, 15, 13, 47, 7, 10, 8, 19, 24, 53, 7, 59, 30, 9, 6, 14, 10, 61, 15, 21, 9, 67, 7, 71, 32, 8, 19, 12, 14, 73, 7, 8, 38, 79, 9, 16, 42, 25, 10, 83, 8, 16]

cp's OEIS Frontend

A373149 Fully additive with a(2) = 1 and a(p) = prevprime(p) for odd primes p.

Table of values

List of values

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

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

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