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 | 101 |
| 2 | 5101 |
| 3 | 6101 |
| 4 | 8101 |
| 5 | 12101 |
| 6 | 15101 |
| 7 | 20101 |
| 8 | 21101 |
| 9 | 29101 |
| 10 | 42101 |
| 11 | 44101 |
| 12 | 50101 |
| 13 | 53101 |
| 14 | 54101 |
| 15 | 56101 |
| 16 | 60101 |
| 17 | 65101 |
| 18 | 72101 |
| 19 | 74101 |
| 20 | 77101 |
| 21 | 78101 |
| 22 | 81101 |
| 23 | 83101 |
| 24 | 89101 |
| 25 | 95101 |
| 26 | 98101 |
| 27 | 102101 |
| 28 | 107101 |
| 29 | 116101 |
| 30 | 117101 |
| 31 | 119101 |
| 32 | 125101 |
| 33 | 131101 |