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 | 2 |
| 2 | 57 |
| 3 | 332 |
| 4 | 1145 |
| 5 | 3002 |
| 6 | 6635 |
| 7 | 13040 |
| 8 | 23515 |
| 9 | 39698 |
| 10 | 63605 |
| 11 | 97668 |
| 12 | 144773 |
| 13 | 208298 |
| 14 | 292151 |
| 15 | 400808 |
| 16 | 539351 |
| 17 | 713506 |
| 18 | 929681 |
| 19 | 1195004 |
| 20 | 1517361 |
| 21 | 1905434 |
| 22 | 2368739 |
| 23 | 2917664 |
| 24 | 3563507 |
| 25 | 4318514 |
| 26 | 5195917 |
| 27 | 6209972 |
| 28 | 7375997 |
| 29 | 8710410 |
| 30 | 10230767 |