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 | 100103 |
| 2 | 301003 |
| 3 | 300105 |
| 4 | 501005 |
| 5 | 500107 |
| 6 | 701007 |
| 7 | 700109 |
| 8 | 901009 |
| 9 | 900111 |
| 10 | 111011 |
| 11 | 110113 |
| 12 | 311013 |
| 13 | 310115 |
| 14 | 511015 |
| 15 | 510117 |
| 16 | 711017 |
| 17 | 710119 |
| 18 | 911019 |
| 19 | 910121 |
| 20 | 121021 |
| 21 | 120123 |
| 22 | 321023 |
| 23 | 320125 |
| 24 | 521025 |
| 25 | 520127 |
| 26 | 721027 |
| 27 | 720129 |
| 28 | 921029 |
| 29 | 920131 |
| 30 | 131031 |