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) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 7 |
| 3 | 15 |
| 4 | 30 |
| 5 | 58 |
| 6 | 109 |
| 7 | 201 |
| 8 | 365 |
| 9 | 655 |
| 10 | 1164 |
| 11 | 2052 |
| 12 | 3593 |
| 13 | 6255 |
| 14 | 10835 |
| 15 | 18687 |
| 16 | 32106 |
| 17 | 54974 |
| 18 | 93845 |
| 19 | 159765 |
| 20 | 271321 |
| 21 | 459743 |
| 22 | 777432 |
| 23 | 1312200 |
| 24 | 2211025 |
| 25 | 3719643 |
| 26 | 6248479 |
| 27 | 10482351 |
| 28 | 17562870 |
| 29 | 29391490 |
| 30 | 49132669 |
| 31 | 82048737 |
| 32 | 136884293 |
| 33 | 228160495 |
| 34 | 379975140 |
| 35 | 632293452 |