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 | 35 |
| 2 | 663 |
| 3 | 4763 |
| 4 | 21093 |
| 5 | 69573 |
| 6 | 188505 |
| 7 | 443169 |
| 8 | 936715 |
| 9 | 1822729 |
| 10 | 3318565 |
| 11 | 5722319 |
| 12 | 9430801 |
| 13 | 14956593 |
| 14 | 22952527 |
| 15 | 34234227 |
| 16 | 49800691 |
| 17 | 70867027 |
| 18 | 98891365 |
| 19 | 135597851 |
| 20 | 183019459 |
| 21 | 243528297 |
| 22 | 319860401 |
| 23 | 415169845 |
| 24 | 533062403 |
| 25 | 677620099 |
| 26 | 853469649 |