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 | 26 |
| 2 | 280 |
| 3 | 1184 |
| 4 | 3396 |
| 5 | 7778 |
| 6 | 15476 |
| 7 | 27806 |
| 8 | 46346 |
| 9 | 72902 |
| 10 | 109528 |
| 11 | 158422 |
| 12 | 222162 |
| 13 | 303412 |
| 14 | 405134 |
| 15 | 530518 |
| 16 | 683014 |
| 17 | 866156 |
| 18 | 1083954 |
| 19 | 1340420 |
| 20 | 1639900 |
| 21 | 1986968 |
| 22 | 2386470 |
| 23 | 2843276 |
| 24 | 3362828 |
| 25 | 3950486 |
| 26 | 4611980 |
| 27 | 5353268 |
| 28 | 6180592 |
| 29 | 7100158 |
| 30 | 8118840 |