A262114 - cp's OEIS frontend

A262114 Irregular triangle read by rows: row b (b >= 2) gives periodic part of digits of the base-b expansion of 1/5.

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

[0, 0, 1, 1, 0, 1, 2, 1, 0, 3, 1, 1, 1, 2, 5, 4, 1, 4, 6, 3, 1, 7, 2, 2, 2, 4, 9, 7, 2, 7, 10, 5, 2, 11, 3, 3, 3, 6, 13, 10, 3, 10, 14, 7, 3, 15, 4, 4, 4, 8, 17, 13, 4, 13, 18, 9, 4, 19, 5, 5, 5, 10, 21, 16, 5, 16, 22, 11, 5, 23, 6, 6, 6, 12, 25, 19, 6, 19, 26, 13, 6, 27, 7, 7, 7, 14, 29, 22, 7, 22]

cp's OEIS Frontend

A262114 Irregular triangle read by rows: row b (b >= 2) gives periodic part of digits of the base-b expansion of 1/5.

Table of values

List of values

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

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

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