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 | 3 |
| 2 | 11 |
| 3 | 17 |
| 4 | 521 |
| 5 | 647 |
| 6 | 1327 |
| 7 | 9437 |
| 8 | 14153 |
| 9 | 16141 |
| 10 | 16831 |
| 11 | 17299 |
| 12 | 18013 |
| 13 | 21839 |
| 14 | 24029 |
| 15 | 28429 |
| 16 | 30293 |
| 17 | 31247 |
| 18 | 32213 |
| 19 | 35201 |
| 20 | 36929 |
| 21 | 37991 |
| 22 | 42013 |
| 23 | 46643 |
| 24 | 51481 |
| 25 | 55259 |
| 26 | 61837 |
| 27 | 65951 |
| 28 | 67349 |
| 29 | 70663 |
| 30 | 72109 |
| 31 | 78553 |
| 32 | 89017 |
| 33 | 90647 |
| 34 | 91193 |