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 | 0 |
| 2 | 185 |
| 3 | 836 |
| 4 | 1461 |
| 5 | 2436 |
| 6 | 6125 |
| 7 | 9740 |
| 8 | 15405 |
| 9 | 36888 |
| 10 | 57953 |
| 11 | 90968 |
| 12 | 216177 |
| 13 | 338952 |
| 14 | 531377 |
| 15 | 1261148 |
| 16 | 1976733 |
| 17 | 3098268 |
| 18 | 7351685 |
| 19 | 11522420 |
| 20 | 18059205 |
| 21 | 42849936 |
| 22 | 67158761 |
| 23 | 105257936 |
| 24 | 249748905 |
| 25 | 391431120 |
| 26 | 613489385 |
| 27 | 1455644468 |
| 28 | 2281428933 |
| 29 | 3575679348 |
| 30 | 8484118877 |