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 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 9 |
| 5 | 16 |
| 6 | 29 |
| 7 | 52 |
| 8 | 94 |
| 9 | 175 |
| 10 | 327 |
| 11 | 616 |
| 12 | 1169 |
| 13 | 2231 |
| 14 | 4273 |
| 15 | 8215 |
| 16 | 15842 |
| 17 | 30628 |
| 18 | 59345 |
| 19 | 115208 |
| 20 | 224040 |
| 21 | 436343 |
| 22 | 850981 |
| 23 | 1661663 |
| 24 | 3248231 |
| 25 | 6356076 |
| 26 | 12448925 |
| 27 | 24402959 |
| 28 | 47873156 |
| 29 | 93984236 |
| 30 | 184632691 |
| 31 | 362938014 |
| 32 | 713852252 |
| 33 | 1404817026 |