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.
n | a(n) |
---|---|
1 | 3 |
2 | 13 |
3 | 51 |
4 | 201 |
5 | 941 |
6 | 4153 |
7 | 18143 |
8 | 87353 |
9 | 405423 |
10 | 1865359 |
11 | 8547093 |
12 | 39098077 |
13 | 190729523 |
14 | 907786567 |
15 | 4292846081 |
16 | 20230294033 |
17 | 95161072323 |
18 | 467762504103 |
19 | 2259396954323 |
20 | 10859408587343 |
21 | 52047262337997 |
22 | 249044033481767 |