A059854 - cp's OEIS frontend

A059854 Period of continued fraction for sqrt(n^2+5), n >= 3.

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

[4, 6, 2, 3, 6, 8, 10, 2, 4, 9, 4, 14, 2, 16, 6, 12, 12, 2, 16, 22, 10, 24, 2, 24, 12, 24, 16, 2, 6, 26, 30, 26, 2, 7, 20, 12, 18, 2, 18, 11, 20, 64, 2, 20, 30, 19, 22, 2, 40, 20, 10, 50, 2, 10, 38, 74, 14, 2, 22, 64, 50, 72, 2, 48, 10, 30, 48, 2, 22, 51, 10, 36, 2, 34, 12, 47, 46, 2]

cp's OEIS Frontend

A059854 Period of continued fraction for sqrt(n^2+5), n >= 3.

Table of values

List of values

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

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

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