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 | 2 |
| 3 | 17 |
| 4 | 114 |
| 5 | 354 |
| 6 | 1060 |
| 7 | 2275 |
| 8 | 4932 |
| 9 | 8772 |
| 10 | 15958 |
| 11 | 25333 |
| 12 | 41270 |
| 13 | 60710 |
| 14 | 91672 |
| 15 | 127687 |
| 16 | 182408 |
| 17 | 243848 |
| 18 | 333930 |
| 19 | 432345 |
| 20 | 572666 |
| 21 | 722666 |
| 22 | 931788 |
| 23 | 1151403 |
| 24 | 1451980 |
| 25 | 1763020 |
| 26 | 2182206 |
| 27 | 2610621 |
| 28 | 3180478 |
| 29 | 3756718 |
| 30 | 4514624 |
| 31 | 5273999 |
| 32 | 6263056 |
| 33 | 7246096 |
| 34 | 8515538 |
| 35 | 9768353 |