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 | 5 |
| 3 | 13 |
| 4 | 33 |
| 5 | 73 |
| 6 | 151 |
| 7 | 289 |
| 8 | 526 |
| 9 | 910 |
| 10 | 1514 |
| 11 | 2430 |
| 12 | 3788 |
| 13 | 5744 |
| 14 | 8512 |
| 15 | 12346 |
| 16 | 17575 |
| 17 | 24591 |
| 18 | 33885 |
| 19 | 46029 |
| 20 | 61731 |
| 21 | 81805 |
| 22 | 107233 |
| 23 | 139143 |
| 24 | 178870 |
| 25 | 227930 |
| 26 | 288100 |
| 27 | 361384 |
| 28 | 450096 |
| 29 | 556834 |
| 30 | 684572 |
| 31 | 836618 |
| 32 | 1016737 |
| 33 | 1229093 |
| 34 | 1478379 |
| 35 | 1769773 |