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 | 109 |
| 1 | 731 |
| 2 | 10767 |
| 3 | 30149 |
| 4 | 163129 |
| 5 | 1143211 |
| 6 | 1970129 |
| 7 | 8122067 |
| 8 | 18188839 |
| 9 | 26350925 |
| 10 | 52385857 |
| 11 | 131260323 |
| 12 | 295577917 |
| 13 | 379875659 |
| 14 | 767165717 |
| 15 | 1181890569 |
| 16 | 1452930119 |
| 17 | 2608460321 |
| 18 | 3755952517 |
| 19 | 6277007703 |
| 20 | 11796314207 |
| 21 | 15849070099 |
| 22 | 18287662313 |