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 | 3 |
| 2 | 9 |
| 3 | 19 |
| 4 | 43 |
| 5 | 81 |
| 6 | 159 |
| 7 | 277 |
| 8 | 501 |
| 9 | 831 |
| 10 | 1415 |
| 11 | 2253 |
| 12 | 3673 |
| 13 | 5675 |
| 14 | 8933 |
| 15 | 13447 |
| 16 | 20581 |
| 17 | 30335 |
| 18 | 45345 |
| 19 | 65611 |
| 20 | 96143 |
| 21 | 136941 |
| 22 | 197221 |
| 23 | 276983 |
| 24 | 392949 |
| 25 | 545119 |
| 26 | 763081 |
| 27 | 1046835 |
| 28 | 1448085 |
| 29 | 1966831 |
| 30 | 2691697 |
| 31 | 3622683 |
| 32 | 4909989 |
| 33 | 6553615 |
| 34 | 8804153 |