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 | 12 |
| 2 | 77 |
| 3 | 353 |
| 4 | 1298 |
| 5 | 4070 |
| 6 | 11298 |
| 7 | 28468 |
| 8 | 66275 |
| 9 | 144430 |
| 10 | 297584 |
| 11 | 584244 |
| 12 | 1099814 |
| 13 | 1995202 |
| 14 | 3502797 |
| 15 | 5972044 |
| 16 | 9917336 |
| 17 | 16081506 |
| 18 | 25518845 |
| 19 | 39702300 |
| 20 | 60660325 |
| 21 | 91149775 |
| 22 | 134872255 |
| 23 | 196742469 |
| 24 | 283218364 |
| 25 | 402704237 |
| 26 | 566039474 |
| 27 | 787087225 |
| 28 | 1083439094 |
| 29 | 1477253844 |
| 30 | 1996250190 |
| 31 | 2674875984 |
| 32 | 3555678491 |
| 33 | 4690903019 |
| 34 | 6144349905 |
| 35 | 7993522778 |