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 | 5 |
| 4 | 5 |
| 5 | 9 |
| 6 | 57 |
| 7 | 61 |
| 8 | 109 |
| 9 | 161 |
| 10 | 1265 |
| 11 | 1317 |
| 12 | 2469 |
| 13 | 3577 |
| 14 | 5785 |
| 15 | 43901 |
| 16 | 47165 |
| 17 | 86337 |
| 18 | 127665 |
| 19 | 204853 |
| 20 | 284197 |
| 21 | 2280089 |
| 22 | 2398505 |
| 23 | 4469373 |
| 24 | 6543453 |
| 25 | 10570993 |
| 26 | 14601745 |
| 27 | 22502549 |
| 28 | 159506453 |
| 29 | 171281529 |
| 30 | 314077353 |
| 31 | 462623821 |
| 32 | 742191037 |
| 33 | 1031307185 |
| 34 | 1580543969 |
| 35 | 2141246229 |