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 | 3 |
| 3 | 8 |
| 4 | 19 |
| 5 | 42 |
| 6 | 88 |
| 7 | 176 |
| 8 | 339 |
| 9 | 633 |
| 10 | 1150 |
| 11 | 2040 |
| 12 | 3544 |
| 13 | 6042 |
| 14 | 10128 |
| 15 | 16720 |
| 16 | 27219 |
| 17 | 43746 |
| 18 | 69483 |
| 19 | 109160 |
| 20 | 169758 |
| 21 | 261504 |
| 22 | 399272 |
| 23 | 604560 |
| 24 | 908248 |
| 25 | 1354427 |
| 26 | 2005710 |
| 27 | 2950544 |
| 28 | 4313232 |
| 29 | 6267642 |
| 30 | 9055856 |
| 31 | 13013440 |
| 32 | 18603603 |
| 33 | 26463168 |
| 34 | 37464230 |