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 | 131 |
| 2 | 181 |
| 3 | 333 |
| 4 | 454 |
| 5 | 919 |
| 6 | 969 |
| 7 | 1331 |
| 8 | 1881 |
| 9 | 3333 |
| 10 | 6556 |
| 11 | 9119 |
| 12 | 9669 |
| 13 | 10301 |
| 14 | 10501 |
| 15 | 10601 |
| 16 | 10701 |
| 17 | 13031 |
| 18 | 13131 |
| 19 | 13231 |
| 20 | 13331 |
| 21 | 13431 |
| 22 | 13531 |
| 23 | 13631 |
| 24 | 13731 |
| 25 | 13831 |
| 26 | 13931 |
| 27 | 14541 |
| 28 | 16161 |
| 29 | 16761 |
| 30 | 18081 |
| 31 | 18181 |
| 32 | 18281 |
| 33 | 18381 |
| 34 | 18481 |
| 35 | 18581 |
| 36 | 18681 |