A067342 - cp's OEIS frontend

A067342 Sum of decimal digits of sum of divisors of n.

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

[1, 3, 4, 7, 6, 3, 8, 6, 4, 9, 3, 10, 5, 6, 6, 4, 9, 12, 2, 6, 5, 9, 6, 6, 4, 6, 4, 11, 3, 9, 5, 9, 12, 9, 12, 10, 11, 6, 11, 9, 6, 15, 8, 12, 15, 9, 12, 7, 12, 12, 9, 17, 9, 3, 9, 3, 8, 9, 6, 15, 8, 15, 5, 10, 12, 9, 14, 9, 15, 9, 9, 15, 11, 6, 7, 5, 15, 15, 8, 15, 4, 9, 12, 8, 9, 6, 3, 9, 9, 9]

cp's OEIS Frontend

A067342 Sum of decimal digits of sum of divisors of n.

Table of values

List of values

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

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

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