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 | 41 |
| 2 | 73 |
| 3 | 193 |
| 4 | 521 |
| 5 | 761 |
| 6 | 2273 |
| 7 | 6073 |
| 8 | 8513 |
| 9 | 10169 |
| 10 | 22697 |
| 11 | 37889 |
| 12 | 73361 |
| 13 | 80153 |
| 14 | 221201 |
| 15 | 351913 |
| 16 | 1879601 |
| 17 | 2321881 |
| 18 | 4259641 |
| 19 | 6395201 |
| 20 | 8212553 |
| 21 | 9619081 |
| 22 | 11282657 |
| 23 | 36087833 |
| 24 | 59502977 |
| 25 | 72496049 |
| 26 | 236886401 |
| 27 | 556953841 |
| 28 | 809098513 |
| 29 | 830450161 |
| 30 | 888024649 |
| 31 | 2420631793 |
| 32 | 3845317297 |
| 33 | 13243533449 |
| 34 | 17279669993 |
| 35 | 29704278649 |
| 36 | 49624610521 |
| 37 | 59974491817 |
| 38 | 107046777121 |
| 39 | 158191301329 |