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 | 5 |
| 3 | 29 |
| 4 | 149 |
| 5 | 509 |
| 6 | 677 |
| 7 | 1877 |
| 8 | 3677 |
| 9 | 8429 |
| 10 | 9749 |
| 11 | 11909 |
| 12 | 13469 |
| 13 | 17789 |
| 14 | 22709 |
| 15 | 27077 |
| 16 | 28229 |
| 17 | 45389 |
| 18 | 46877 |
| 19 | 53069 |
| 20 | 70229 |
| 21 | 72077 |
| 22 | 81677 |
| 23 | 100469 |
| 24 | 102677 |
| 25 | 114077 |
| 26 | 128549 |
| 27 | 141269 |
| 28 | 154589 |
| 29 | 180077 |
| 30 | 192029 |
| 31 | 195077 |
| 32 | 207509 |
| 33 | 223589 |
| 34 | 230189 |
| 35 | 261077 |
| 36 | 312989 |
| 37 | 340709 |
| 38 | 352949 |
| 39 | 395309 |
| 40 | 399677 |
| 41 | 426389 |