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.

A145027 a(n) = a(n-1) + a(n-2) + a(n-3) with a(1) = 2, a(2) = 3, a(3) = 4.

Table of values

n a(n)
1 2
2 3
3 4
4 9
5 16
6 29
7 54
8 99
9 182
10 335
11 616
12 1133
13 2084
14 3833
15 7050
16 12967
17 23850
18 43867
19 80684
20 148401
21 272952
22 502037
23 923390
24 1698379
25 3123806
26 5745575
27 10567760
28 19437141
29 35750476
30 65755377
31 120942994
32 222448847
33 409147218

List of values

[2, 3, 4, 9, 16, 29, 54, 99, 182, 335, 616, 1133, 2084, 3833, 7050, 12967, 23850, 43867, 80684, 148401, 272952, 502037, 923390, 1698379, 3123806, 5745575, 10567760, 19437141, 35750476, 65755377, 120942994, 222448847, 409147218]