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.

A170891 First differences of the toothpick sequence A170890.

Table of values

n a(n)
0 0
1 1
2 1
3 2
4 3
5 3
6 4
7 7
8 8
9 8
10 6
11 10
12 8
13 10
14 12
15 20
16 20
17 16
18 12
19 14
20 8
21 10
22 12
23 20
24 20
25 18
26 18
27 24
28 22
29 28
30 40
31 56
32 52
33 38
34 28
35 22
36 8
37 10
38 12
39 20
40 20
41 18
42 18
43 24
44 22
45 28
46 40
47 56
48 52
49 40
50 34
51 32
52 22
53 28
54 40
55 56
56 54
57 50
58 56
59 66
60 68
61 92
62 132
63 160
64 138
65 98
66 68
67 38

List of values

[0, 1, 1, 2, 3, 3, 4, 7, 8, 8, 6, 10, 8, 10, 12, 20, 20, 16, 12, 14, 8, 10, 12, 20, 20, 18, 18, 24, 22, 28, 40, 56, 52, 38, 28, 22, 8, 10, 12, 20, 20, 18, 18, 24, 22, 28, 40, 56, 52, 40, 34, 32, 22, 28, 40, 56, 54, 50, 56, 66, 68, 92, 132, 160, 138, 98, 68, 38]

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

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