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 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 3 |
| 6 | 5 |
| 7 | 8 |
| 8 | 14 |
| 9 | 24 |
| 10 | 43 |
| 11 | 76 |
| 12 | 139 |
| 13 | 259 |
| 14 | 485 |
| 15 | 922 |
| 16 | 1787 |
| 17 | 3526 |
| 18 | 6996 |
| 19 | 14100 |
| 20 | 28692 |
| 21 | 58656 |
| 22 | 121503 |
| 23 | 253767 |
| 24 | 536209 |
| 25 | 1149378 |
| 26 | 2480370 |
| 27 | 5370187 |
| 28 | 11700921 |
| 29 | 25573556 |
| 30 | 56230361 |
| 31 | 126067989 |
| 32 | 284107943 |
| 33 | 645064989 |
| 34 | 1468157354 |
| 35 | 3380417306 |