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.

A113880 Variation on Recamán's sequence utilizing the four basic operations (/,-,+,*) in that order.

Table of values

n a(n)
0 0
1 1
2 3
3 6
4 2
5 7
6 13
7 20
8 12
9 21
10 11
11 22
12 10
13 23
14 9
15 24
16 8
17 25
18 43
19 62
20 42
21 63
22 41
23 18
24 432
25 407
26 381
27 354
28 326
29 297
30 267
31 236
32 204
33 171
34 137
35 102
36 66
37 29
38 67
39 28
40 68
41 27
42 69
43 26
44 70
45 115
46 161
47 114
48 162
49 113
50 163
51 112
52 60
53 3180
54 3126
55 3071
56 3015
57 2958
58 51
59 110
60 50
61 111
62 49

List of values

[0, 1, 3, 6, 2, 7, 13, 20, 12, 21, 11, 22, 10, 23, 9, 24, 8, 25, 43, 62, 42, 63, 41, 18, 432, 407, 381, 354, 326, 297, 267, 236, 204, 171, 137, 102, 66, 29, 67, 28, 68, 27, 69, 26, 70, 115, 161, 114, 162, 113, 163, 112, 60, 3180, 3126, 3071, 3015, 2958, 51, 110, 50, 111, 49]