A270392 - cp's OEIS frontend

A270392 The sum of the digits in the periodic part of the decimal expansion of 1/n.

n	a(n)
1	0
2	0
3	3
4	0
5	0
6	6
7	27
8	0
9	1
10	0
11	9
12	3
13	27
14	27
15	6
16	0
17	72
18	5
19	81
20	0
21	27
22	9
23	99
24	6
25	0
26	27
27	10
28	27
29	126
30	3
31	54
32	0
33	3
34	72
35	27
36	7
37	9
38	81
39	18
40	0
41	18
42	27
43	90
44	9
45	2
46	99
47	207
48	3
49	189
50	0
51	69
52	27
53	63
54	14
55	9
56	27
57	81
58	126
59	261
60	6
61	270
62	54
63	24
64	0
65	27
66	6
67	144
68	72
69	96
70	27
71	126
72	8
73	36
74	9
75	3
76	81
77	27
78	18
79	54
80	0
81	37
82	18
83	171
84	27
85	72
86	99
87	123
88	9

[0, 0, 3, 0, 0, 6, 27, 0, 1, 0, 9, 3, 27, 27, 6, 0, 72, 5, 81, 0, 27, 9, 99, 6, 0, 27, 10, 27, 126, 3, 54, 0, 3, 72, 27, 7, 9, 81, 18, 0, 18, 27, 90, 9, 2, 99, 207, 3, 189, 0, 69, 27, 63, 14, 9, 27, 81, 126, 261, 6, 270, 54, 24, 0, 27, 6, 144, 72, 96, 27, 126, 8, 36, 9, 3, 81, 27, 18, 54, 0, 37, 18, 171, 27, 72, 99, 123, 9]

cp's OEIS Frontend

A270392 The sum of the digits in the periodic part of the decimal expansion of 1/n.

Table of values

List of values

n	a(n)
1	0
2	0
3	3
4	0
5	0
6	6
7	27
8	0
9	1
10	0
11	9
12	3
13	27
14	27
15	6
16	0
17	72
18	5
19	81
20	0
21	27
22	9
23	99
24	6
25	0
26	27
27	10
28	27
29	126
30	3
31	54
32	0
33	3
34	72
35	27
36	7
37	9
38	81
39	18
40	0
41	18
42	27
43	90
44	9
45	2
46	99
47	207
48	3
49	189
50	0
51	69
52	27
53	63
54	14
55	9
56	27
57	81
58	126
59	261
60	6
61	270
62	54
63	24
64	0
65	27
66	6
67	144
68	72
69	96
70	27
71	126
72	8
73	36
74	9
75	3
76	81
77	27
78	18
79	54
80	0
81	37
82	18
83	171
84	27
85	72
86	99
87	123
88	9

n	a(n)
1	0
2	0
3	3
4	0
5	0
6	6
7	27
8	0
9	1
10	0
11	9
12	3
13	27
14	27
15	6
16	0
17	72
18	5
19	81
20	0
21	27
22	9
23	99
24	6
25	0
26	27
27	10
28	27
29	126
30	3
31	54
32	0
33	3
34	72
35	27
36	7
37	9
38	81
39	18
40	0
41	18
42	27
43	90
44	9
45	2
46	99
47	207
48	3
49	189
50	0
51	69
52	27
53	63
54	14
55	9
56	27
57	81
58	126
59	261
60	6
61	270
62	54
63	24
64	0
65	27
66	6
67	144
68	72
69	96
70	27
71	126
72	8
73	36
74	9
75	3
76	81
77	27
78	18
79	54
80	0
81	37
82	18
83	171
84	27
85	72
86	99
87	123
88	9

n	a(n)
1	0
2	0
3	3
4	0
5	0
6	6
7	27
8	0
9	1
10	0
11	9
12	3
13	27
14	27
15	6
16	0
17	72
18	5
19	81
20	0
21	27
22	9
23	99
24	6
25	0
26	27
27	10
28	27
29	126
30	3
31	54
32	0
33	3
34	72
35	27
36	7
37	9
38	81
39	18
40	0
41	18
42	27
43	90
44	9
45	2
46	99
47	207
48	3
49	189
50	0
51	69
52	27
53	63
54	14
55	9
56	27
57	81
58	126
59	261
60	6
61	270
62	54
63	24
64	0
65	27
66	6
67	144
68	72
69	96
70	27
71	126
72	8
73	36
74	9
75	3
76	81
77	27
78	18
79	54
80	0
81	37
82	18
83	171
84	27
85	72
86	99
87	123
88	9