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 | 1 |
| 3 | 2 |
| 4 | 4 |
| 5 | 8 |
| 6 | 16 |
| 7 | 31 |
| 8 | 58 |
| 9 | 107 |
| 10 | 200 |
| 11 | 387 |
| 12 | 782 |
| 13 | 1640 |
| 14 | 3512 |
| 15 | 7542 |
| 16 | 16020 |
| 17 | 33406 |
| 18 | 68257 |
| 19 | 136971 |
| 20 | 271341 |
| 21 | 534302 |
| 22 | 1053441 |
| 23 | 2092840 |
| 24 | 4206655 |
| 25 | 8564397 |
| 26 | 17631551 |
| 27 | 36575711 |
| 28 | 76137143 |
| 29 | 158427407 |
| 30 | 328537434 |
| 31 | 677598776 |
| 32 | 1388303692 |
| 33 | 2824261172 |
| 34 | 5704560206 |
| 35 | 11443336382 |