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 | 13 |
| 2 | 541 |
| 3 | 1087 |
| 4 | 1861 |
| 5 | 3727 |
| 6 | 23293 |
| 7 | 40387 |
| 8 | 87643 |
| 9 | 98899 |
| 10 | 109111 |
| 11 | 115153 |
| 12 | 116329 |
| 13 | 119101 |
| 14 | 131617 |
| 15 | 133597 |
| 16 | 163909 |
| 17 | 197521 |
| 18 | 214021 |
| 19 | 215389 |
| 20 | 218227 |
| 21 | 238207 |
| 22 | 263239 |
| 23 | 294751 |
| 24 | 489901 |
| 25 | 493693 |
| 26 | 665527 |
| 27 | 734131 |
| 28 | 767881 |
| 29 | 808693 |
| 30 | 895351 |
| 31 | 1038127 |
| 32 | 1051957 |