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 | 63 |
| 2 | 305 |
| 3 | 847 |
| 4 | 1809 |
| 5 | 3311 |
| 6 | 5473 |
| 7 | 8415 |
| 8 | 12257 |
| 9 | 17119 |
| 10 | 23121 |
| 11 | 30383 |
| 12 | 39025 |
| 13 | 49167 |
| 14 | 60929 |
| 15 | 74431 |
| 16 | 89793 |
| 17 | 107135 |
| 18 | 126577 |
| 19 | 148239 |
| 20 | 172241 |
| 21 | 198703 |
| 22 | 227745 |
| 23 | 259487 |
| 24 | 294049 |
| 25 | 331551 |
| 26 | 372113 |
| 27 | 415855 |
| 28 | 462897 |
| 29 | 513359 |
| 30 | 567361 |
| 31 | 625023 |
| 32 | 686465 |
| 33 | 751807 |
| 34 | 821169 |
| 35 | 894671 |