A031424 - cp's OEIS frontend

A031424 Least term in period of continued fraction for sqrt(n), as n runs through the nonsquares (A000037).

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

[2, 1, 4, 2, 1, 1, 6, 3, 2, 1, 1, 1, 8, 4, 1, 2, 1, 1, 1, 1, 10, 5, 2, 1, 2, 1, 1, 1, 1, 1, 12, 6, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 14, 7, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 1, 1, 16, 8, 1, 4, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 18, 9, 6, 1, 1, 3, 1, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 20, 10, 1, 5, 4, 1]

cp's OEIS Frontend

A031424 Least term in period of continued fraction for sqrt(n), as n runs through the nonsquares (A000037).

Table of values

List of values

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

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

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