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.

A294559 Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-1) + 2*b(n-2), where a(0) = 1, a(1) = 2, b(0) = 3, and (a(n)) and (b(n)) are increasing complementary sequences.

Table of values

n a(n)
0 1
1 2
2 13
3 28
4 57
5 104
6 183
7 312
8 523
9 866
10 1423
11 2327
12 3793
13 6166
14 10008
15 16226
16 26289
17 42573
18 68923
19 111560
20 180550
21 292180
22 472803
23 765059
24 1237941
25 2003083
26 3241112
27 5244286
28 8485492
29 13729875
30 22215467
31 35945445
32 58161018
33 94106572
34 152267702
35 246374389

List of values

[1, 2, 13, 28, 57, 104, 183, 312, 523, 866, 1423, 2327, 3793, 6166, 10008, 16226, 26289, 42573, 68923, 111560, 180550, 292180, 472803, 765059, 1237941, 2003083, 3241112, 5244286, 8485492, 13729875, 22215467, 35945445, 58161018, 94106572, 152267702, 246374389]