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 | 345 |
| 2 | 1050 |
| 3 | 1645 |
| 4 | 4386 |
| 5 | 6489 |
| 6 | 8041 |
| 7 | 13026 |
| 8 | 23881 |
| 9 | 88473 |
| 10 | 115957 |
| 11 | 255041 |
| 12 | 342637 |
| 13 | 377201 |
| 14 | 1497517 |
| 15 | 2132021 |
| 16 | 2428489 |
| 17 | 3256261 |
| 18 | 3847001 |
| 19 | 4114285 |
| 20 | 4646101 |
| 21 | 5054221 |
| 22 | 6816865 |
| 23 | 7218641 |
| 24 | 7587901 |
| 25 | 13384681 |
| 26 | 14872837 |
| 27 | 17897737 |
| 28 | 20901553 |
| 29 | 23807821 |
| 30 | 25863653 |
| 31 | 28207957 |