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 | 1 |
| 2 | 2 |
| 3 | 5 |
| 4 | 64 |
| 5 | 203 |
| 6 | 505 |
| 7 | 524 |
| 8 | 649 |
| 9 | 818 |
| 10 | 1295 |
| 11 | 2469 |
| 12 | 2869 |
| 13 | 4355 |
| 14 | 5048 |
| 15 | 6083 |
| 16 | 10415 |
| 17 | 14909 |
| 18 | 15021 |
| 19 | 22329 |
| 20 | 27433 |
| 21 | 29189 |
| 22 | 29369 |
| 23 | 35719 |
| 24 | 38023 |
| 25 | 44099 |
| 26 | 48229 |
| 27 | 56372 |
| 28 | 85329 |
| 29 | 85343 |
| 30 | 89270 |