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 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 5 |
| 6 | 11 |
| 7 | 21 |
| 8 | 39 |
| 9 | 78 |
| 10 | 169 |
| 11 | 373 |
| 12 | 808 |
| 13 | 1727 |
| 14 | 3719 |
| 15 | 8153 |
| 16 | 18100 |
| 17 | 40315 |
| 18 | 89770 |
| 19 | 200250 |
| 20 | 448755 |
| 21 | 1010685 |
| 22 | 2284295 |
| 23 | 5173961 |
| 24 | 11740697 |
| 25 | 26699780 |
| 26 | 60863291 |
| 27 | 139045991 |
| 28 | 318247190 |
| 29 | 729572315 |
| 30 | 1675085099 |
| 31 | 3851795549 |
| 32 | 8869990949 |
| 33 | 20453679944 |
| 34 | 47223844863 |