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 | 1 |
2 | 3 |
3 | 15 |
4 | 69 |
5 | 477 |
6 | 4167 |
7 | 34731 |
8 | 333225 |
9 | 4058073 |
10 | 48535659 |
11 | 638782119 |
12 | 9690930477 |
13 | 146665611765 |
14 | 2428164153711 |
15 | 44904494549763 |
16 | 820664075440593 |
17 | 16238018609968689 |
18 | 350155700132388435 |
19 | 7568774583230565567 |
20 | 175171222712837235861 |
21 | 4318996957424273510541 |
22 | 107317465474650443023383 |