A375089 - cp's OEIS frontend

A375089 Number of positive integers with Pisano period equal to 2n.

n	a(n)
1	0
2	0
3	1
4	1
5	1
6	1
7	1
8	2
9	3
10	2
11	1
12	10
13	1
14	2
15	8
16	4
17	1
18	9
19	1
20	11
21	8
22	2
23	3
24	55
25	6
26	2
27	6
28	11
29	3
30	49
31	1
32	8
33	8
34	2
35	13
36	133
37	1
38	6
39	20
40	46
41	1
42	49
43	3
44	27
45	81
46	4
47	1
48	260
49	2
50	38
51	20
52	11
53	1
54	106
55	21
56	78
57	20
58	4
59	7
60	874
61	1
62	6
63	81
64	48
65	29
66	49
67	3
68	27
69	42
70	108
71	1
72	1319
73	3
74	14
75	174
76	23
77	13
78	101
79	1
80	444

[0, 0, 1, 1, 1, 1, 1, 2, 3, 2, 1, 10, 1, 2, 8, 4, 1, 9, 1, 11, 8, 2, 3, 55, 6, 2, 6, 11, 3, 49, 1, 8, 8, 2, 13, 133, 1, 6, 20, 46, 1, 49, 3, 27, 81, 4, 1, 260, 2, 38, 20, 11, 1, 106, 21, 78, 20, 4, 7, 874, 1, 6, 81, 48, 29, 49, 3, 27, 42, 108, 1, 1319, 3, 14, 174, 23, 13, 101, 1, 444]

cp's OEIS Frontend

A375089 Number of positive integers with Pisano period equal to 2n.

Table of values

List of values