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.

A229824 Even bisection gives sequence a itself, n->a(2*(9*n+k)-1) gives k-th differences of a for k=1..9 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 0
20 -1
21 -2
22 49
23 6
24 -1
25 -14
26 -91
27 28
28 7
29 -42
30 119
31 28
32 1
33 62
34 -57
35 -236
36 -21
37 -2
38 0
39 4
40 -1
41 -8
42 -2
43 14
44 49
45 -14
46 6
47 -14
48 -1
49 90
50 -14
51 -174
52 -91
53 96
54 28
55 2
56 7
57 -4
58 -42
59 6
60 119
61 0
62 28
63 -28
64 1

List of values

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