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.

A167151 a(2n+1) = a(2n) + a(2n-1), a(2n)=least number not yet in the sequence, a(1)=1.

Table of values

n a(n)
0 0
1 1
2 2
3 3
4 4
5 7
6 5
7 12
8 6
9 18
10 8
11 26
12 9
13 35
14 10
15 45
16 11
17 56
18 13
19 69
20 14
21 83
22 15
23 98
24 16
25 114
26 17
27 131
28 19
29 150
30 20
31 170
32 21
33 191
34 22
35 213
36 23
37 236
38 24
39 260
40 25
41 285
42 27
43 312
44 28
45 340
46 29
47 369
48 30
49 399
50 31
51 430
52 32
53 462
54 33
55 495
56 34
57 529
58 36
59 565
60 37
61 602
62 38
63 640
64 39
65 679

List of values

[0, 1, 2, 3, 4, 7, 5, 12, 6, 18, 8, 26, 9, 35, 10, 45, 11, 56, 13, 69, 14, 83, 15, 98, 16, 114, 17, 131, 19, 150, 20, 170, 21, 191, 22, 213, 23, 236, 24, 260, 25, 285, 27, 312, 28, 340, 29, 369, 30, 399, 31, 430, 32, 462, 33, 495, 34, 529, 36, 565, 37, 602, 38, 640, 39, 679]