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 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 6 |
| 5 | 11 |
| 6 | 20 |
| 7 | 32 |
| 8 | 58 |
| 9 | 102 |
| 10 | 169 |
| 11 | 302 |
| 12 | 527 |
| 13 | 888 |
| 14 | 1573 |
| 15 | 2741 |
| 16 | 4661 |
| 17 | 8215 |
| 18 | 14316 |
| 19 | 24481 |
| 20 | 43023 |
| 21 | 74998 |
| 22 | 128747 |
| 23 | 225867 |
| 24 | 393838 |
| 25 | 678047 |
| 26 | 1188201 |
| 27 | 2072239 |
| 28 | 3575728 |
| 29 | 6261248 |
| 30 | 10921278 |
| 31 | 18879372 |
| 32 | 33040083 |
| 33 | 57637061 |