A210936 - cp's OEIS frontend

A210936 Sum of prime factors of prime(n)-1 (counted with multiplicity).

n	a(n)
1	0
2	2
3	4
4	5
5	7
6	7
7	8
8	8
9	13
10	11
11	10
12	10
13	11
14	12
15	25
16	17
17	31
18	12
19	16
20	14
21	12
22	18
23	43
24	17
25	13
26	14
27	22
28	55
29	13
30	15
31	15
32	20
33	23
34	28
35	41
36	15
37	20
38	14
39	85
40	47
41	91
42	15
43	26
44	15
45	18
46	19
47	17
48	42
49	115
50	26
51	35
52	26
53	16
54	17
55	16
56	133
57	71
58	16
59	30
60	18
61	52
62	77
63	25
64	38
65	22
66	83

[0, 2, 4, 5, 7, 7, 8, 8, 13, 11, 10, 10, 11, 12, 25, 17, 31, 12, 16, 14, 12, 18, 43, 17, 13, 14, 22, 55, 13, 15, 15, 20, 23, 28, 41, 15, 20, 14, 85, 47, 91, 15, 26, 15, 18, 19, 17, 42, 115, 26, 35, 26, 16, 17, 16, 133, 71, 16, 30, 18, 52, 77, 25, 38, 22, 83]

cp's OEIS Frontend

A210936 Sum of prime factors of prime(n)-1 (counted with multiplicity).

Table of values

List of values

n	a(n)
1	0
2	2
3	4
4	5
5	7
6	7
7	8
8	8
9	13
10	11
11	10
12	10
13	11
14	12
15	25
16	17
17	31
18	12
19	16
20	14
21	12
22	18
23	43
24	17
25	13
26	14
27	22
28	55
29	13
30	15
31	15
32	20
33	23
34	28
35	41
36	15
37	20
38	14
39	85
40	47
41	91
42	15
43	26
44	15
45	18
46	19
47	17
48	42
49	115
50	26
51	35
52	26
53	16
54	17
55	16
56	133
57	71
58	16
59	30
60	18
61	52
62	77
63	25
64	38
65	22
66	83

n	a(n)
1	0
2	2
3	4
4	5
5	7
6	7
7	8
8	8
9	13
10	11
11	10
12	10
13	11
14	12
15	25
16	17
17	31
18	12
19	16
20	14
21	12
22	18
23	43
24	17
25	13
26	14
27	22
28	55
29	13
30	15
31	15
32	20
33	23
34	28
35	41
36	15
37	20
38	14
39	85
40	47
41	91
42	15
43	26
44	15
45	18
46	19
47	17
48	42
49	115
50	26
51	35
52	26
53	16
54	17
55	16
56	133
57	71
58	16
59	30
60	18
61	52
62	77
63	25
64	38
65	22
66	83

n	a(n)
1	0
2	2
3	4
4	5
5	7
6	7
7	8
8	8
9	13
10	11
11	10
12	10
13	11
14	12
15	25
16	17
17	31
18	12
19	16
20	14
21	12
22	18
23	43
24	17
25	13
26	14
27	22
28	55
29	13
30	15
31	15
32	20
33	23
34	28
35	41
36	15
37	20
38	14
39	85
40	47
41	91
42	15
43	26
44	15
45	18
46	19
47	17
48	42
49	115
50	26
51	35
52	26
53	16
54	17
55	16
56	133
57	71
58	16
59	30
60	18
61	52
62	77
63	25
64	38
65	22
66	83