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.

A030068 The "semi-Fibonacci numbers": a(n) = A030067(2n - 1), where A030067 is the semi-Fibonacci sequence.

Table of values

n a(n)
1 1
2 2
3 3
4 5
5 6
6 9
7 11
8 16
9 17
10 23
11 26
12 35
13 37
14 48
15 53
16 69
17 70
18 87
19 93
20 116
21 119
22 145
23 154
24 189
25 191
26 228
27 239
28 287
29 292
30 345
31 361
32 430
33 431
34 501
35 518
36 605
37 611
38 704
39 727
40 843
41 846
42 965
43 991
44 1136
45 1145
46 1299
47 1334
48 1523
49 1525
50 1716
51 1753
52 1981
53 1992
54 2231
55 2279
56 2566

List of values

[1, 2, 3, 5, 6, 9, 11, 16, 17, 23, 26, 35, 37, 48, 53, 69, 70, 87, 93, 116, 119, 145, 154, 189, 191, 228, 239, 287, 292, 345, 361, 430, 431, 501, 518, 605, 611, 704, 727, 843, 846, 965, 991, 1136, 1145, 1299, 1334, 1523, 1525, 1716, 1753, 1981, 1992, 2231, 2279, 2566]