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.

A297830 Solution of the complementary equation a(n) = a(1)*b(n-1) - a(0)*b(n-2) + 2*n, where a(0) = 1, a(1) = 2, b(0) = 3, b(1) = 4, and (b(n)) is the increasing sequence of positive integers not in (a(n)). See Comments.

Table of values

n a(n)
0 1
1 2
2 9
3 12
4 15
5 18
6 21
7 26
8 28
9 33
10 35
11 40
12 42
13 47
14 49
15 54
16 56
17 59
18 62
19 67
20 71
21 73
22 76
23 79
24 84
25 88
26 90
27 93
28 96
29 101
30 105
31 107
32 110
33 113
34 118
35 122
36 124
37 127
38 130
39 135
40 139
41 141
42 146
43 148
44 153
45 155
46 158
47 161
48 166
49 168
50 171
51 176
52 180
53 182
54 187
55 189
56 194
57 196

List of values

[1, 2, 9, 12, 15, 18, 21, 26, 28, 33, 35, 40, 42, 47, 49, 54, 56, 59, 62, 67, 71, 73, 76, 79, 84, 88, 90, 93, 96, 101, 105, 107, 110, 113, 118, 122, 124, 127, 130, 135, 139, 141, 146, 148, 153, 155, 158, 161, 166, 168, 171, 176, 180, 182, 187, 189, 194, 196]