A107356 - cp's OEIS frontend

A107356 Period of continued fraction for (1 + square root of n-th squarefree integer)/2.

n	a(n)
1	2
2	2
3	1
4	4
5	4
6	2
7	2
8	1
9	4
10	2
11	3
12	6
13	2
14	6
15	4
16	2
17	1
18	2
19	8
20	4
21	4
22	2
23	3
24	6
25	6
26	5
27	4
28	10
29	8
30	4
31	2
32	1
33	4
34	6
35	6
36	6
37	3
38	4
39	3
40	6
41	10
42	4
43	6
44	8
45	9
46	6
47	2
48	4
49	4
50	2
51	2
52	1
53	6
54	2
55	7
56	8
57	2
58	12
59	4
60	9
61	3
62	6
63	12
64	6
65	18
66	6
67	7
68	4
69	6
70	7
71	6
72	6
73	14
74	4
75	2
76	2
77	12
78	10
79	6
80	6
81	4
82	10
83	7
84	4
85	18
86	4
87	4
88	2
89	3
90	6
91	5
92	20
93	14
94	8
95	5
96	12
97	6
98	10

[2, 2, 1, 4, 4, 2, 2, 1, 4, 2, 3, 6, 2, 6, 4, 2, 1, 2, 8, 4, 4, 2, 3, 6, 6, 5, 4, 10, 8, 4, 2, 1, 4, 6, 6, 6, 3, 4, 3, 6, 10, 4, 6, 8, 9, 6, 2, 4, 4, 2, 2, 1, 6, 2, 7, 8, 2, 12, 4, 9, 3, 6, 12, 6, 18, 6, 7, 4, 6, 7, 6, 6, 14, 4, 2, 2, 12, 10, 6, 6, 4, 10, 7, 4, 18, 4, 4, 2, 3, 6, 5, 20, 14, 8, 5, 12, 6, 10]

cp's OEIS Frontend

A107356 Period of continued fraction for (1 + square root of n-th squarefree integer)/2.

Table of values

List of values

n	a(n)
1	2
2	2
3	1
4	4
5	4
6	2
7	2
8	1
9	4
10	2
11	3
12	6
13	2
14	6
15	4
16	2
17	1
18	2
19	8
20	4
21	4
22	2
23	3
24	6
25	6
26	5
27	4
28	10
29	8
30	4
31	2
32	1
33	4
34	6
35	6
36	6
37	3
38	4
39	3
40	6
41	10
42	4
43	6
44	8
45	9
46	6
47	2
48	4
49	4
50	2
51	2
52	1
53	6
54	2
55	7
56	8
57	2
58	12
59	4
60	9
61	3
62	6
63	12
64	6
65	18
66	6
67	7
68	4
69	6
70	7
71	6
72	6
73	14
74	4
75	2
76	2
77	12
78	10
79	6
80	6
81	4
82	10
83	7
84	4
85	18
86	4
87	4
88	2
89	3
90	6
91	5
92	20
93	14
94	8
95	5
96	12
97	6
98	10

n	a(n)
1	2
2	2
3	1
4	4
5	4
6	2
7	2
8	1
9	4
10	2
11	3
12	6
13	2
14	6
15	4
16	2
17	1
18	2
19	8
20	4
21	4
22	2
23	3
24	6
25	6
26	5
27	4
28	10
29	8
30	4
31	2
32	1
33	4
34	6
35	6
36	6
37	3
38	4
39	3
40	6
41	10
42	4
43	6
44	8
45	9
46	6
47	2
48	4
49	4
50	2
51	2
52	1
53	6
54	2
55	7
56	8
57	2
58	12
59	4
60	9
61	3
62	6
63	12
64	6
65	18
66	6
67	7
68	4
69	6
70	7
71	6
72	6
73	14
74	4
75	2
76	2
77	12
78	10
79	6
80	6
81	4
82	10
83	7
84	4
85	18
86	4
87	4
88	2
89	3
90	6
91	5
92	20
93	14
94	8
95	5
96	12
97	6
98	10

n	a(n)
1	2
2	2
3	1
4	4
5	4
6	2
7	2
8	1
9	4
10	2
11	3
12	6
13	2
14	6
15	4
16	2
17	1
18	2
19	8
20	4
21	4
22	2
23	3
24	6
25	6
26	5
27	4
28	10
29	8
30	4
31	2
32	1
33	4
34	6
35	6
36	6
37	3
38	4
39	3
40	6
41	10
42	4
43	6
44	8
45	9
46	6
47	2
48	4
49	4
50	2
51	2
52	1
53	6
54	2
55	7
56	8
57	2
58	12
59	4
60	9
61	3
62	6
63	12
64	6
65	18
66	6
67	7
68	4
69	6
70	7
71	6
72	6
73	14
74	4
75	2
76	2
77	12
78	10
79	6
80	6
81	4
82	10
83	7
84	4
85	18
86	4
87	4
88	2
89	3
90	6
91	5
92	20
93	14
94	8
95	5
96	12
97	6
98	10