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 | 8 |
| 3 | 26 |
| 4 | 63 |
| 5 | 136 |
| 6 | 272 |
| 7 | 521 |
| 8 | 968 |
| 9 | 1762 |
| 10 | 3159 |
| 11 | 5600 |
| 12 | 9840 |
| 13 | 17169 |
| 14 | 29784 |
| 15 | 51418 |
| 16 | 88399 |
| 17 | 151432 |
| 18 | 258592 |
| 19 | 440345 |
| 20 | 747960 |
| 21 | 1267586 |
| 22 | 2143783 |
| 23 | 3618816 |
| 24 | 6098208 |
| 25 | 10260001 |
| 26 | 17236712 |
| 27 | 28918106 |
| 28 | 48454623 |
| 29 | 81093832 |
| 30 | 135569264 |
| 31 | 226404905 |