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 | 4 |
| 2 | 6 |
| 3 | 10 |
| 4 | 119 |
| 5 | 155 |
| 6 | 158 |
| 7 | 215 |
| 8 | 27682 |
| 9 | 3066887 |
| 10 | 3066907 |
| 11 | 3067027 |
| 12 | 3067167 |
| 13 | 3067187 |
| 14 | 3067247 |
| 15 | 3067277 |
| 16 | 3067682 |
| 17 | 3067687 |
| 18 | 3067742 |
| 19 | 3067787 |
| 20 | 3067847 |
| 21 | 3067907 |
| 22 | 3067917 |
| 23 | 3067937 |
| 24 | 3067942 |
| 25 | 3068042 |
| 26 | 3068067 |
| 27 | 348933302 |
| 28 | 348933422 |
| 29 | 44690978131 |
| 30 | 44690978257 |
| 31 | 44690978537 |
| 32 | 44690978719 |
| 33 | 44690978971 |