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 | 13 |
| 2 | 41 |
| 3 | 90 |
| 4 | 185 |
| 5 | 335 |
| 6 | 601 |
| 7 | 1020 |
| 8 | 1729 |
| 9 | 2857 |
| 10 | 4721 |
| 11 | 7710 |
| 12 | 12593 |
| 13 | 20459 |
| 14 | 33241 |
| 15 | 53880 |
| 16 | 87337 |
| 17 | 141421 |
| 18 | 229001 |
| 19 | 370650 |
| 20 | 599921 |
| 21 | 970823 |
| 22 | 1571041 |
| 23 | 2542140 |
| 24 | 4113505 |
| 25 | 6655945 |
| 26 | 10769801 |
| 27 | 17426070 |
| 28 | 28196249 |
| 29 | 45622667 |