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.

A296217 Solution of the complementary equation a(n) = a(1)*b(n-2) + a(2)*b(n-3) + ... + a(n-1)*b(0), 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 6
3 26
4 112
5 484
6 2088
7 9008
8 38862
9 167658
10 723308
11 3120486
12 13462360
13 58079138
14 250564260
15 1080981064
16 4663554414
17 20119445656
18 86799050160
19 374467330636
20 1615522076050
21 6969664279584
22 30068434774274
23 129720849313094
24 559639996988064
25 2414391579204576

List of values

[1, 2, 6, 26, 112, 484, 2088, 9008, 38862, 167658, 723308, 3120486, 13462360, 58079138, 250564260, 1080981064, 4663554414, 20119445656, 86799050160, 374467330636, 1615522076050, 6969664279584, 30068434774274, 129720849313094, 559639996988064, 2414391579204576]