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 | 2 |
| 2 | 3 |
| 3 | 4 |
| 4 | 12 |
| 5 | 22 |
| 6 | 33 |
| 7 | 38 |
| 8 | 65 |
| 9 | 112 |
| 10 | 127 |
| 11 | 222 |
| 12 | 333 |
| 13 | 625 |
| 14 | 1112 |
| 15 | 1247 |
| 16 | 2222 |
| 17 | 3333 |
| 18 | 3612 |
| 19 | 546875 |
| 20 | 1640625 |
| 21 | 48828125 |
| 22 | 452734375 |
| 23 | 4150390625 |
| 24 | 225830078125 |
| 25 | 11444091796875 |
| 26 | 52674606084709 |
| 27 | 155879785509415 |
| 28 | 407757583839192 |
| 29 | 342846312788889239 |
| 30 | 434661425189366827 |
| 31 | 483009317939766618 |