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.

A229821 Even bisection gives sequence a itself, n->a(2*(6*n+k)-1) gives k-th differences of a for k=1..6 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 0
14 7
15 -2
16 1
17 6
18 -21
19 -14
20 -1
21 28
22 49
23 -42
24 -1
25 -2
26 0
27 4
28 7
29 -8
30 -2
31 14
32 1
33 -14
34 6
35 -14
36 -21
37 2
38 -14
39 -4
40 -1
41 6
42 28
43 0
44 49
45 -28
46 -42
47 76
48 -1
49 -2
50 -2
51 2
52 0
53 6
54 4
55 -28
56 7
57 48
58 -8
59 -8
60 -2
61 0
62 14
63 8
64 1
65 -22
66 -14
67 20
68 6

List of values

[0, 1, 1, -1, 1, -1, -1, 7, 1, -21, -1, 49, -1, 0, 7, -2, 1, 6, -21, -14, -1, 28, 49, -42, -1, -2, 0, 4, 7, -8, -2, 14, 1, -14, 6, -14, -21, 2, -14, -4, -1, 6, 28, 0, 49, -28, -42, 76, -1, -2, -2, 2, 0, 6, 4, -28, 7, 48, -8, -8, -2, 0, 14, 8, 1, -22, -14, 20, 6]