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) |
|---|---|
| 3 | 1 |
| 4 | 9 |
| 5 | 39 |
| 6 | 114 |
| 7 | 261 |
| 8 | 507 |
| 9 | 879 |
| 10 | 1404 |
| 11 | 2109 |
| 12 | 3021 |
| 13 | 4167 |
| 14 | 5574 |
| 15 | 7269 |
| 16 | 9279 |
| 17 | 11631 |
| 18 | 14352 |
| 19 | 17469 |
| 20 | 21009 |
| 21 | 24999 |
| 22 | 29466 |
| 23 | 34437 |
| 24 | 39939 |
| 25 | 45999 |
| 26 | 52644 |
| 27 | 59901 |
| 28 | 67797 |
| 29 | 76359 |
| 30 | 85614 |
| 31 | 95589 |
| 32 | 106311 |
| 33 | 117807 |
| 34 | 130104 |
| 35 | 143229 |
| 36 | 157209 |