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 | 0 |
| 1 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 7 |
| 5 | 10 |
| 6 | 14 |
| 7 | 20 |
| 8 | 29 |
| 9 | 43 |
| 10 | 65 |
| 11 | 100 |
| 12 | 156 |
| 13 | 246 |
| 14 | 391 |
| 15 | 625 |
| 16 | 1003 |
| 17 | 1614 |
| 18 | 2602 |
| 19 | 4200 |
| 20 | 6785 |
| 21 | 10967 |
| 22 | 17733 |
| 23 | 28680 |
| 24 | 46392 |
| 25 | 75050 |
| 26 | 121419 |
| 27 | 196445 |
| 28 | 317839 |
| 29 | 514258 |
| 30 | 832070 |
| 31 | 1346300 |
| 32 | 2178341 |
| 33 | 3524611 |
| 34 | 5702921 |
| 35 | 9227500 |
| 36 | 14930388 |
| 37 | 24157854 |
| 38 | 39088207 |
| 39 | 63246025 |