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 | 4 |
| 4 | 6 |
| 5 | 7 |
| 6 | 12 |
| 7 | 19 |
| 8 | 32 |
| 9 | 58 |
| 10 | 77 |
| 11 | 145 |
| 12 | 208 |
| 13 | 237 |
| 14 | 321 |
| 15 | 369 |
| 16 | 480 |
| 17 | 838 |
| 18 | 1290 |
| 19 | 1533 |
| 20 | 3031 |
| 21 | 4003 |
| 22 | 4965 |
| 23 | 6900 |
| 24 | 7653 |
| 25 | 13365 |
| 26 | 18980 |
| 27 | 23022 |
| 28 | 28225 |
| 29 | 36034 |
| 30 | 54189 |
| 31 | 74152 |
| 32 | 82124 |
| 33 | 129792 |
| 34 | 274543 |
| 35 | 419570 |
| 36 | 730075 |
| 37 | 1679322 |
| 38 | 1844372 |
| 39 | 2469066 |