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 | 4181 |
| 2 | 6721 |
| 3 | 13201 |
| 4 | 15251 |
| 5 | 34561 |
| 6 | 51841 |
| 7 | 64079 |
| 8 | 64681 |
| 9 | 67861 |
| 10 | 68251 |
| 11 | 90061 |
| 12 | 96049 |
| 13 | 97921 |
| 14 | 118441 |
| 15 | 146611 |
| 16 | 163081 |
| 17 | 186961 |
| 18 | 197209 |
| 19 | 219781 |
| 20 | 252601 |
| 21 | 254321 |
| 22 | 257761 |
| 23 | 268801 |
| 24 | 272611 |
| 25 | 283361 |
| 26 | 302101 |
| 27 | 303101 |
| 28 | 330929 |
| 29 | 399001 |
| 30 | 433621 |
| 31 | 438751 |
| 32 | 489601 |
| 33 | 512461 |
| 34 | 520801 |