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 | 3 |
| 3 | 6 |
| 4 | 10 |
| 5 | 18 |
| 6 | 27 |
| 7 | 43 |
| 8 | 70 |
| 9 | 102 |
| 10 | 166 |
| 11 | 247 |
| 12 | 375 |
| 13 | 618 |
| 14 | 874 |
| 15 | 1386 |
| 16 | 2115 |
| 17 | 3139 |
| 18 | 5187 |
| 19 | 7374 |
| 20 | 11470 |
| 21 | 18031 |
| 22 | 26223 |
| 23 | 42607 |
| 24 | 62290 |
| 25 | 95058 |
| 26 | 154107 |
| 27 | 219643 |
| 28 | 350715 |
| 29 | 527862 |
| 30 | 790006 |
| 31 | 1314294 |
| 32 | 1845735 |
| 33 | 2894311 |
| 34 | 4488634 |
| 35 | 6585786 |
| 36 | 10780090 |
| 37 | 15563059 |
| 38 | 23951667 |
| 39 | 38300574 |