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 | 13 |
| 2 | 156 |
| 3 | 196 |
| 4 | 238 |
| 5 | 325 |
| 6 | 450 |
| 7 | 827 |
| 8 | 1404 |
| 9 | 2828 |
| 10 | 4603 |
| 11 | 7890 |
| 12 | 12475 |
| 13 | 20396 |
| 14 | 34708 |
| 15 | 57979 |
| 16 | 102658 |
| 17 | 170075 |
| 18 | 292948 |
| 19 | 482036 |
| 20 | 812571 |
| 21 | 1365010 |
| 22 | 2293755 |
| 23 | 3918292 |
| 24 | 6555468 |
| 25 | 11171195 |
| 26 | 18648162 |
| 27 | 31563547 |
| 28 | 53005132 |
| 29 | 89383740 |
| 30 | 151102715 |