cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A229287 Least k such that the numerator of the continued fraction [1,..,1,k] (n 1s) is prime.

Table of values

n a(n)
1 1
2 1
3 1
4 2
5 1
6 3
7 4
8 2
9 1
10 2
11 1
12 11
13 4
14 2
15 1
16 8
17 3
18 9
19 6
20 2
21 1
22 6
23 4
24 5
25 4
26 2
27 1
28 8
29 3
30 53
31 12
32 4
33 7
34 14
35 3
36 13
37 4
38 20
39 3
40 2
41 1
42 21
43 8
44 2
45 1
46 66
47 5
48 17
49 16
50 9
51 3
52 10
53 4
54 41
55 4
56 20
57 15
58 20
59 3
60 43
61 6
62 33
63 15
64 22
65 12
66 63
67 36
68 20
69 3
70 98
71 37
72 25
73 30
74 21
75 17
76 20

List of values

[1, 1, 1, 2, 1, 3, 4, 2, 1, 2, 1, 11, 4, 2, 1, 8, 3, 9, 6, 2, 1, 6, 4, 5, 4, 2, 1, 8, 3, 53, 12, 4, 7, 14, 3, 13, 4, 20, 3, 2, 1, 21, 8, 2, 1, 66, 5, 17, 16, 9, 3, 10, 4, 41, 4, 20, 15, 20, 3, 43, 6, 33, 15, 22, 12, 63, 36, 20, 3, 98, 37, 25, 30, 21, 17, 20]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.