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 | 263 |
| 2 | 1217 |
| 3 | 2141 |
| 4 | 4673 |
| 5 | 5333 |
| 6 | 6983 |
| 7 | 10973 |
| 8 | 11423 |
| 9 | 26669 |
| 10 | 27143 |
| 11 | 28697 |
| 12 | 74843 |
| 13 | 85061 |
| 14 | 101063 |
| 15 | 102647 |
| 16 | 114113 |
| 17 | 121001 |
| 18 | 133349 |
| 19 | 141623 |
| 20 | 150497 |
| 21 | 154823 |
| 22 | 199877 |
| 23 | 200183 |
| 24 | 202409 |
| 25 | 203039 |
| 26 | 207953 |
| 27 | 259697 |
| 28 | 259781 |
| 29 | 275813 |
| 30 | 280487 |
| 31 | 294167 |
| 32 | 305477 |
| 33 | 322727 |