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 | 151 |
| 2 | 251 |
| 3 | 3251 |
| 4 | 3301 |
| 5 | 4751 |
| 6 | 8501 |
| 7 | 11251 |
| 8 | 11701 |
| 9 | 13751 |
| 10 | 14251 |
| 11 | 14951 |
| 12 | 15551 |
| 13 | 16451 |
| 14 | 17401 |
| 15 | 18401 |
| 16 | 21401 |
| 17 | 21601 |
| 18 | 24251 |
| 19 | 28351 |
| 20 | 28901 |
| 21 | 32251 |
| 22 | 32401 |
| 23 | 32801 |
| 24 | 34301 |
| 25 | 36151 |
| 26 | 36451 |
| 27 | 37201 |
| 28 | 40351 |
| 29 | 42451 |
| 30 | 42701 |
| 31 | 44201 |
| 32 | 45751 |
| 33 | 46051 |
| 34 | 46451 |
| 35 | 46901 |