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 | 1 |
| 2 | 11 |
| 3 | 21 |
| 4 | 176 |
| 5 | 204 |
| 6 | 898 |
| 7 | 1653 |
| 8 | 4078 |
| 9 | 5075 |
| 10 | 11512 |
| 11 | 13456 |
| 12 | 25925 |
| 13 | 37275 |
| 14 | 60717 |
| 15 | 69689 |
| 16 | 114352 |
| 17 | 127928 |
| 18 | 195039 |
| 19 | 251161 |
| 20 | 349001 |
| 21 | 385157 |
| 22 | 552907 |
| 23 | 667293 |
| 24 | 892038 |
| 25 | 1075280 |
| 26 | 1385235 |
| 27 | 1510110 |
| 28 | 2006079 |
| 29 | 2156703 |
| 30 | 2694466 |
| 31 | 3157069 |
| 32 | 3885393 |
| 33 | 4484057 |
| 34 | 5564130 |