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 | 9 |
| 2 | 44 |
| 3 | 156 |
| 4 | 449 |
| 5 | 1113 |
| 6 | 2463 |
| 7 | 4983 |
| 8 | 9372 |
| 9 | 16587 |
| 10 | 27877 |
| 11 | 44802 |
| 12 | 69231 |
| 13 | 103314 |
| 14 | 149425 |
| 15 | 210075 |
| 16 | 287796 |
| 17 | 384999 |
| 18 | 503812 |
| 19 | 645906 |
| 20 | 812319 |
| 21 | 1003290 |
| 22 | 1218116 |
| 23 | 1455045 |
| 24 | 1711216 |
| 25 | 1982655 |
| 26 | 2264333 |
| 27 | 2550288 |
| 28 | 2833809 |
| 29 | 3107676 |
| 30 | 3364445 |
| 31 | 3596763 |
| 32 | 3797695 |
| 33 | 3961044 |
| 34 | 4081645 |