A112264 - cp's OEIS frontend

A112264 Sum of initial digits of prime factors (with multiplicity) of n.

n	a(n)
1	0
2	2
3	3
4	4
5	5
6	5
7	7
8	6
9	6
10	7
11	1
12	7
13	1
14	9
15	8
16	8
17	1
18	8
19	1
20	9
21	10
22	3
23	2
24	9
25	10
26	3
27	9
28	11
29	2
30	10
31	3
32	10
33	4
34	3
35	12
36	10
37	3
38	3
39	4
40	11
41	4
42	12
43	4
44	5
45	11
46	4
47	4
48	11
49	14
50	12
51	4
52	5
53	5
54	11
55	6
56	13
57	4
58	4
59	5
60	12
61	6
62	5
63	13
64	12
65	6
66	6
67	6
68	5
69	5
70	14
71	7
72	12
73	7
74	5
75	13
76	5
77	8
78	6
79	7
80	13
81	12
82	6
83	8
84	14
85	6
86	6
87	5
88	7
89	8
90	13
91	8
92	6
93	6
94	6

[0, 2, 3, 4, 5, 5, 7, 6, 6, 7, 1, 7, 1, 9, 8, 8, 1, 8, 1, 9, 10, 3, 2, 9, 10, 3, 9, 11, 2, 10, 3, 10, 4, 3, 12, 10, 3, 3, 4, 11, 4, 12, 4, 5, 11, 4, 4, 11, 14, 12, 4, 5, 5, 11, 6, 13, 4, 4, 5, 12, 6, 5, 13, 12, 6, 6, 6, 5, 5, 14, 7, 12, 7, 5, 13, 5, 8, 6, 7, 13, 12, 6, 8, 14, 6, 6, 5, 7, 8, 13, 8, 6, 6, 6]

cp's OEIS Frontend

A112264 Sum of initial digits of prime factors (with multiplicity) of n.

Table of values

List of values

n	a(n)
1	0
2	2
3	3
4	4
5	5
6	5
7	7
8	6
9	6
10	7
11	1
12	7
13	1
14	9
15	8
16	8
17	1
18	8
19	1
20	9
21	10
22	3
23	2
24	9
25	10
26	3
27	9
28	11
29	2
30	10
31	3
32	10
33	4
34	3
35	12
36	10
37	3
38	3
39	4
40	11
41	4
42	12
43	4
44	5
45	11
46	4
47	4
48	11
49	14
50	12
51	4
52	5
53	5
54	11
55	6
56	13
57	4
58	4
59	5
60	12
61	6
62	5
63	13
64	12
65	6
66	6
67	6
68	5
69	5
70	14
71	7
72	12
73	7
74	5
75	13
76	5
77	8
78	6
79	7
80	13
81	12
82	6
83	8
84	14
85	6
86	6
87	5
88	7
89	8
90	13
91	8
92	6
93	6
94	6

n	a(n)
1	0
2	2
3	3
4	4
5	5
6	5
7	7
8	6
9	6
10	7
11	1
12	7
13	1
14	9
15	8
16	8
17	1
18	8
19	1
20	9
21	10
22	3
23	2
24	9
25	10
26	3
27	9
28	11
29	2
30	10
31	3
32	10
33	4
34	3
35	12
36	10
37	3
38	3
39	4
40	11
41	4
42	12
43	4
44	5
45	11
46	4
47	4
48	11
49	14
50	12
51	4
52	5
53	5
54	11
55	6
56	13
57	4
58	4
59	5
60	12
61	6
62	5
63	13
64	12
65	6
66	6
67	6
68	5
69	5
70	14
71	7
72	12
73	7
74	5
75	13
76	5
77	8
78	6
79	7
80	13
81	12
82	6
83	8
84	14
85	6
86	6
87	5
88	7
89	8
90	13
91	8
92	6
93	6
94	6

n	a(n)
1	0
2	2
3	3
4	4
5	5
6	5
7	7
8	6
9	6
10	7
11	1
12	7
13	1
14	9
15	8
16	8
17	1
18	8
19	1
20	9
21	10
22	3
23	2
24	9
25	10
26	3
27	9
28	11
29	2
30	10
31	3
32	10
33	4
34	3
35	12
36	10
37	3
38	3
39	4
40	11
41	4
42	12
43	4
44	5
45	11
46	4
47	4
48	11
49	14
50	12
51	4
52	5
53	5
54	11
55	6
56	13
57	4
58	4
59	5
60	12
61	6
62	5
63	13
64	12
65	6
66	6
67	6
68	5
69	5
70	14
71	7
72	12
73	7
74	5
75	13
76	5
77	8
78	6
79	7
80	13
81	12
82	6
83	8
84	14
85	6
86	6
87	5
88	7
89	8
90	13
91	8
92	6
93	6
94	6