A081727 - cp's OEIS frontend

A081727 Length of periods of Euler numbers modulo n.

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

[1, 1, 2, 1, 2, 2, 6, 4, 6, 2, 10, 2, 6, 6, 2, 8, 8, 6, 18, 2, 6, 10, 22, 4, 10, 6, 18, 6, 14, 2, 30, 16, 10, 8, 6, 6, 18, 18, 6, 4, 20, 6, 42, 10, 6, 22, 46, 8, 42, 10, 8, 6, 26, 18, 10, 12, 18, 14, 58, 2, 30, 30, 6, 32, 6, 10, 66, 8, 22, 6, 70, 12, 36, 18, 10]

cp's OEIS Frontend

A081727 Length of periods of Euler numbers modulo n.

Table of values

List of values

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

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

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