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) |
|---|---|
| 0 | 1 |
| 1 | 10 |
| 2 | 11 |
| 3 | 54 |
| 4 | 65 |
| 5 | 119 |
| 6 | 3159 |
| 7 | 3278 |
| 8 | 6437 |
| 9 | 29026 |
| 10 | 35463 |
| 11 | 383656 |
| 12 | 20752887 |
| 13 | 207912526 |
| 14 | 228665413 |
| 15 | 1122574178 |
| 16 | 1351239591 |
| 17 | 2473813769 |
| 18 | 65670397585 |
| 19 | 68144211354 |
| 20 | 133814608939 |
| 21 | 603402647110 |
| 22 | 737217256049 |
| 23 | 7975575207600 |
| 24 | 431418278466449 |
| 25 | 4322158359872090 |