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 | 19 |
| 2 | 361 |
| 3 | 1482 |
| 4 | 3952 |
| 5 | 8455 |
| 6 | 15789 |
| 7 | 26866 |
| 8 | 42712 |
| 9 | 64467 |
| 10 | 93385 |
| 11 | 130834 |
| 12 | 178296 |
| 13 | 237367 |
| 14 | 309757 |
| 15 | 397290 |
| 16 | 501904 |
| 17 | 625651 |
| 18 | 770697 |
| 19 | 939322 |
| 20 | 1133920 |
| 21 | 1356999 |
| 22 | 1611181 |
| 23 | 1899202 |
| 24 | 2223912 |
| 25 | 2588275 |
| 26 | 2995369 |
| 27 | 3448386 |
| 28 | 3950632 |
| 29 | 4505527 |
| 30 | 5116605 |