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 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 2 |
| 6 | 3 |
| 7 | 5 |
| 8 | 8 |
| 9 | 16 |
| 10 | 29 |
| 11 | 53 |
| 12 | 98 |
| 13 | 196 |
| 14 | 376 |
| 15 | 723 |
| 16 | 1393 |
| 17 | 2786 |
| 18 | 5474 |
| 19 | 10752 |
| 20 | 21128 |
| 21 | 42979 |
| 22 | 85905 |
| 23 | 171810 |
| 24 | 343522 |
| 25 | 703270 |
| 26 | 1421998 |
| 27 | 2875847 |
| 28 | 5817194 |
| 29 | 11978061 |
| 30 | 24428369 |
| 31 | 49817625 |
| 32 | 101588512 |
| 33 | 209911975 |
| 34 | 430722621 |
| 35 | 883632025 |
| 36 | 1812556425 |
| 37 | 3763773324 |
| 38 | 7764267706 |