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 | 6 |
| 4 | 23 |
| 5 | 89 |
| 6 | 295 |
| 7 | 827 |
| 8 | 2017 |
| 9 | 4405 |
| 10 | 8812 |
| 11 | 16424 |
| 12 | 28887 |
| 13 | 48413 |
| 14 | 77897 |
| 15 | 121045 |
| 16 | 182513 |
| 17 | 268057 |
| 18 | 384694 |
| 19 | 540874 |
| 20 | 746663 |
| 21 | 1013937 |
| 22 | 1356587 |
| 23 | 1790735 |
| 24 | 2334961 |
| 25 | 3010541 |
| 26 | 3841696 |
| 27 | 4855852 |
| 28 | 6083911 |
| 29 | 7560533 |
| 30 | 9324429 |
| 31 | 11418665 |
| 32 | 13890977 |
| 33 | 16794097 |
| 34 | 20186090 |
| 35 | 24130702 |
| 36 | 28697719 |
| 37 | 33963337 |
| 38 | 40010543 |