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 | 15 |
| 2 | 55 |
| 3 | 341 |
| 4 | 1003 |
| 5 | 3161 |
| 6 | 7339 |
| 7 | 16343 |
| 8 | 25063 |
| 9 | 55247 |
| 10 | 62809 |
| 11 | 105901 |
| 12 | 127991 |
| 13 | 190277 |
| 14 | 220223 |
| 15 | 236597 |
| 16 | 325291 |
| 17 | 358261 |
| 18 | 463487 |
| 19 | 512263 |
| 20 | 641593 |
| 21 | 812327 |
| 22 | 1213843 |
| 23 | 1293431 |
| 24 | 1502399 |
| 25 | 1944893 |
| 26 | 2351677 |
| 27 | 2633803 |
| 28 | 2806733 |
| 29 | 3050519 |
| 30 | 3250847 |