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 | 6 |
| 3 | 23 |
| 4 | 65 |
| 5 | 156 |
| 6 | 336 |
| 7 | 664 |
| 8 | 1229 |
| 9 | 2159 |
| 10 | 3629 |
| 11 | 5877 |
| 12 | 9221 |
| 13 | 14070 |
| 14 | 20951 |
| 15 | 30530 |
| 16 | 43634 |
| 17 | 61283 |
| 18 | 84725 |
| 19 | 115461 |
| 20 | 155294 |
| 21 | 206368 |
| 22 | 271210 |
| 23 | 352784 |
| 24 | 454550 |
| 25 | 580509 |
| 26 | 735280 |
| 27 | 924163 |
| 28 | 1153207 |
| 29 | 1429292 |
| 30 | 1760218 |
| 31 | 2154776 |
| 32 | 2622859 |
| 33 | 3175555 |
| 34 | 3825247 |