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.

A297837 Solution of the complementary equation a(n) = a(1)*b(n-1) - a(0)*b(n-2) + 4*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 13
3 18
4 23
5 28
6 33
7 38
8 43
9 48
10 53
11 60
12 64
13 69
14 74
15 81
16 85
17 90
18 95
19 102
20 106
21 111
22 116
23 123
24 127
25 132
26 137
27 144
28 148
29 153
30 158
31 165
32 169
33 174
34 179
35 186
36 190
37 195
38 200
39 207
40 211
41 216
42 221
43 228
44 232
45 237
46 242
47 247
48 252
49 259
50 263
51 268
52 275
53 279
54 284
55 289

List of values

[1, 2, 13, 18, 23, 28, 33, 38, 43, 48, 53, 60, 64, 69, 74, 81, 85, 90, 95, 102, 106, 111, 116, 123, 127, 132, 137, 144, 148, 153, 158, 165, 169, 174, 179, 186, 190, 195, 200, 207, 211, 216, 221, 228, 232, 237, 242, 247, 252, 259, 263, 268, 275, 279, 284, 289]