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 | 5 |
| 2 | 25 |
| 3 | 89 |
| 4 | 249 |
| 5 | 596 |
| 6 | 1286 |
| 7 | 2578 |
| 8 | 4886 |
| 9 | 8851 |
| 10 | 15439 |
| 11 | 26072 |
| 12 | 42800 |
| 13 | 68523 |
| 14 | 107273 |
| 15 | 164567 |
| 16 | 247843 |
| 17 | 366992 |
| 18 | 535000 |
| 19 | 768715 |
| 20 | 1089755 |
| 21 | 1525574 |
| 22 | 2110704 |
| 23 | 2888192 |
| 24 | 3911252 |
| 25 | 5245153 |
| 26 | 6969365 |
| 27 | 9179986 |
| 28 | 11992474 |
| 29 | 15544709 |
| 30 | 20000411 |
| 31 | 25552941 |
| 32 | 32429513 |
| 33 | 40895846 |
| 34 | 51261286 |