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 | 5 |
| 4 | 9 |
| 5 | 10 |
| 6 | 21 |
| 7 | 20 |
| 8 | 39 |
| 9 | 49 |
| 10 | 80 |
| 11 | 100 |
| 12 | 195 |
| 13 | 246 |
| 14 | 424 |
| 15 | 650 |
| 16 | 1065 |
| 17 | 1614 |
| 18 | 2715 |
| 19 | 4200 |
| 20 | 6940 |
| 21 | 11020 |
| 22 | 17922 |
| 23 | 28680 |
| 24 | 46821 |
| 25 | 75075 |
| 26 | 121898 |
| 27 | 196565 |
| 28 | 318680 |
| 29 | 514258 |
| 30 | 833560 |
| 31 | 1346300 |
| 32 | 2180439 |
| 33 | 3524900 |
| 34 | 5706132 |
| 35 | 9227600 |
| 36 | 14936241 |
| 37 | 24157854 |
| 38 | 39096588 |