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.

A217069 a(n) = 3*a(n-1) + 24*a(n-2) + a(n-3), with a(0)=0, a(1)=2, and a(2)=7.

Table of values

n a(n)
0 0
1 2
2 7
3 69
4 377
5 2794
6 17499
7 119930
8 782560
9 5243499
10 34631867
11 230522137
12 1527974718
13 10151087309
14 67355177296
15 447219602022
16 2968334148479
17 19705628071261
18 130804123379301
19 868315777996646
20 5763951923164423
21 38262238564792074
22 253989877628319020

List of values

[0, 2, 7, 69, 377, 2794, 17499, 119930, 782560, 5243499, 34631867, 230522137, 1527974718, 10151087309, 67355177296, 447219602022, 2968334148479, 19705628071261, 130804123379301, 868315777996646, 5763951923164423, 38262238564792074, 253989877628319020]