A014840 - cp's OEIS frontend

A014840 Sum of all the digits of n in every base prime to n from 2 to n-1.

n	a(n)
3	2
4	2
5	7
6	2
7	15
8	10
9	15
10	8
11	34
12	12
13	45
14	22
15	31
16	32
17	73
18	28
19	90
20	40
21	57
22	50
23	135
24	46
25	118
26	74
27	117
28	70
29	198
30	58
31	222
32	120
33	139
34	122
35	192
36	92
37	296
38	152
39	216
40	136
41	372
42	112
43	408
44	202
45	235
46	208
47	497
48	176
49	442
50	224
51	338
52	260
53	607
54	202
55	454
56	276
57	416
58	330
59	755
60	194
61	776

[2, 2, 7, 2, 15, 10, 15, 8, 34, 12, 45, 22, 31, 32, 73, 28, 90, 40, 57, 50, 135, 46, 118, 74, 117, 70, 198, 58, 222, 120, 139, 122, 192, 92, 296, 152, 216, 136, 372, 112, 408, 202, 235, 208, 497, 176, 442, 224, 338, 260, 607, 202, 454, 276, 416, 330, 755, 194, 776]

cp's OEIS Frontend

A014840 Sum of all the digits of n in every base prime to n from 2 to n-1.

Table of values

List of values

n	a(n)
3	2
4	2
5	7
6	2
7	15
8	10
9	15
10	8
11	34
12	12
13	45
14	22
15	31
16	32
17	73
18	28
19	90
20	40
21	57
22	50
23	135
24	46
25	118
26	74
27	117
28	70
29	198
30	58
31	222
32	120
33	139
34	122
35	192
36	92
37	296
38	152
39	216
40	136
41	372
42	112
43	408
44	202
45	235
46	208
47	497
48	176
49	442
50	224
51	338
52	260
53	607
54	202
55	454
56	276
57	416
58	330
59	755
60	194
61	776

n	a(n)
3	2
4	2
5	7
6	2
7	15
8	10
9	15
10	8
11	34
12	12
13	45
14	22
15	31
16	32
17	73
18	28
19	90
20	40
21	57
22	50
23	135
24	46
25	118
26	74
27	117
28	70
29	198
30	58
31	222
32	120
33	139
34	122
35	192
36	92
37	296
38	152
39	216
40	136
41	372
42	112
43	408
44	202
45	235
46	208
47	497
48	176
49	442
50	224
51	338
52	260
53	607
54	202
55	454
56	276
57	416
58	330
59	755
60	194
61	776

n	a(n)
3	2
4	2
5	7
6	2
7	15
8	10
9	15
10	8
11	34
12	12
13	45
14	22
15	31
16	32
17	73
18	28
19	90
20	40
21	57
22	50
23	135
24	46
25	118
26	74
27	117
28	70
29	198
30	58
31	222
32	120
33	139
34	122
35	192
36	92
37	296
38	152
39	216
40	136
41	372
42	112
43	408
44	202
45	235
46	208
47	497
48	176
49	442
50	224
51	338
52	260
53	607
54	202
55	454
56	276
57	416
58	330
59	755
60	194
61	776