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 | 11 |
| 2 | 19 |
| 3 | 151 |
| 4 | 419 |
| 5 | 2161 |
| 6 | 2311 |
| 7 | 2539 |
| 8 | 4831 |
| 9 | 5563 |
| 10 | 6961 |
| 11 | 8363 |
| 12 | 9007 |
| 13 | 9661 |
| 14 | 12347 |
| 15 | 20533 |
| 16 | 21493 |
| 17 | 31033 |
| 18 | 45737 |
| 19 | 45817 |
| 20 | 46919 |
| 21 | 49363 |
| 22 | 59419 |
| 23 | 60017 |
| 24 | 82883 |
| 25 | 86561 |
| 26 | 93491 |
| 27 | 99709 |
| 28 | 104231 |
| 29 | 105499 |
| 30 | 113381 |
| 31 | 125471 |