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.

A229825 Even bisection gives sequence a itself, n->a(2*(10*n+k)-1) gives k-th differences of a for k=1..10 with a(n)=n for n<2.

Table of values

n a(n)
0 0
1 1
2 1
3 -1
4 1
5 -1
6 -1
7 7
8 1
9 -21
10 -1
11 49
12 -1
13 -91
14 7
15 119
16 1
17 -57
18 -21
19 -179
20 -1
21 0
22 49
23 -2
24 -1
25 6
26 -91
27 -14
28 7
29 28
30 119
31 -42
32 1
33 28
34 -57
35 62
36 -21
37 -236
38 -179
39 332
40 -1
41 -2
42 0
43 4
44 49
45 -8
46 -2
47 14
48 -1
49 -14
50 6
51 -14
52 -91
53 90
54 -14
55 -174
56 7
57 96
58 28
59 396
60 119
61 2
62 -42

List of values

[0, 1, 1, -1, 1, -1, -1, 7, 1, -21, -1, 49, -1, -91, 7, 119, 1, -57, -21, -179, -1, 0, 49, -2, -1, 6, -91, -14, 7, 28, 119, -42, 1, 28, -57, 62, -21, -236, -179, 332, -1, -2, 0, 4, 49, -8, -2, 14, -1, -14, 6, -14, -91, 90, -14, -174, 7, 96, 28, 396, 119, 2, -42]