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 | 3 |
| 3 | 4 |
| 4 | 6 |
| 5 | 9 |
| 6 | 27 |
| 7 | 34 |
| 8 | 68 |
| 9 | 94 |
| 10 | 235 |
| 11 | 289 |
| 12 | 578 |
| 13 | 799 |
| 14 | 1921 |
| 15 | 9683 |
| 16 | 16021 |
| 17 | 27421 |
| 18 | 54842 |
| 19 | 69301 |
| 20 | 138602 |
| 21 | 434789 |
| 22 | 1787371 |
| 23 | 5179771 |
| 24 | 5655149 |
| 25 | 9653251 |
| 26 | 10209853 |
| 27 | 20419706 |
| 28 | 43184409 |
| 29 | 301039141 |
| 30 | 611363527 |
| 31 | 1274384647 |
| 32 | 5084853899 |
| 33 | 14906805553 |
| 34 | 14946637163 |
| 35 | 22591381313 |
| 36 | 69291164983 |