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.

A070864 a(1) = a(2) = 1; a(n) = 2 + a(n - a(n-1)).

Table of values

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

List of values

[1, 1, 3, 3, 3, 5, 3, 5, 5, 5, 7, 5, 7, 5, 7, 7, 7, 9, 7, 9, 7, 9, 7, 9, 9, 9, 11, 9, 11, 9, 11, 9, 11, 9, 11, 11, 11, 13, 11, 13, 11, 13, 11, 13, 11, 13, 11, 13, 13, 13, 15, 13, 15, 13, 15, 13, 15, 13, 15, 13, 15, 13, 15, 15, 15, 17, 15, 17, 15, 17, 15, 17, 15, 17, 15, 17, 15, 17, 15]