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) |
---|---|
0 | 1 |
1 | 4 |
2 | 18 |
3 | 88 |
4 | 452 |
5 | 2384 |
6 | 12744 |
7 | 68576 |
8 | 370192 |
9 | 2001472 |
10 | 10829088 |
11 | 58612096 |
12 | 317289536 |
13 | 1717746944 |
14 | 9299922048 |
15 | 50350919168 |
16 | 272608444672 |
17 | 1475954689024 |
18 | 7991119286784 |
19 | 43265588647936 |
20 | 234249039168512 |
21 | 1268274072276992 |