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.

A099470 A sequence generated from the Quadrifoil.

Table of values

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

List of values

[-1, -2, -1, 2, 4, 2, -3, -6, -3, 4, 8, 4, -5, -10, -5, 6, 12, 6, -7, -14, -7, 8, 16, 8, -9, -18, -9, 10, 20, 10, -11, -22, -11, 12, 24, 12, -13, -26, -13, 14, 28, 14, -15, -30, -15, 16, 32, 16, -17, -34, -17, 18, 36, 18, -19, -38, -19, 20, 40, 20, -21, -42]