A113580 - cp's OEIS frontend

A113580 Define prime(0) = 1; then a(n) = sum prime(d), where d ranges over the decimal digits of n.

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

[1, 2, 3, 5, 7, 11, 13, 17, 19, 23, 3, 4, 5, 7, 9, 13, 15, 19, 21, 25, 4, 5, 6, 8, 10, 14, 16, 20, 22, 26, 6, 7, 8, 10, 12, 16, 18, 22, 24, 28, 8, 9, 10, 12, 14, 18, 20, 24, 26, 30, 12, 13, 14, 16, 18, 22, 24, 28, 30, 34, 14, 15, 16, 18, 20, 24, 26, 30, 32, 36, 18, 19, 20, 22, 24, 28]

cp's OEIS Frontend

A113580 Define prime(0) = 1; then a(n) = sum prime(d), where d ranges over the decimal digits of n.

Table of values

List of values

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

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

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