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 | 3 |
2 | 11 |
3 | 45 |
4 | 201 |
5 | 963 |
6 | 4899 |
7 | 26253 |
8 | 147345 |
9 | 862083 |
10 | 5238459 |
11 | 32957037 |
12 | 214117209 |
13 | 1433320515 |
14 | 9867008979 |
15 | 69734001357 |
16 | 505212273441 |
17 | 3747124863747 |
18 | 28418591888235 |
19 | 220152270759597 |
20 | 1740363304031721 |
21 | 14027180742479043 |
22 | 115176800996769411 |
23 | 962726355659386125 |
24 | 8186311912829551281 |
25 | 70769800810139187843 |