A007953 - cp's OEIS frontend

A007953 Digital sum (i.e., sum of digits) of n; also called digsum(n).

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

[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 8, 9, 10, 11, 12, 13, 14, 15]

cp's OEIS Frontend

A007953 Digital sum (i.e., sum of digits) of n; also called digsum(n).

Table of values

List of values

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

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

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