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 | 121 |
| 2 | 143 |
| 3 | 165 |
| 4 | 187 |
| 5 | 341 |
| 6 | 363 |
| 7 | 385 |
| 8 | 561 |
| 9 | 583 |
| 10 | 781 |
| 11 | 1012 |
| 12 | 1034 |
| 13 | 1056 |
| 14 | 1078 |
| 15 | 1210 |
| 16 | 1232 |
| 17 | 1254 |
| 18 | 1276 |
| 19 | 1298 |
| 20 | 1430 |
| 21 | 1452 |
| 22 | 1474 |
| 23 | 1496 |
| 24 | 1650 |
| 25 | 1672 |
| 26 | 1694 |
| 27 | 1870 |
| 28 | 1892 |
| 29 | 3014 |
| 30 | 3036 |
| 31 | 3058 |
| 32 | 3212 |
| 33 | 3234 |
| 34 | 3256 |
| 35 | 3278 |
| 36 | 3410 |
| 37 | 3432 |
| 38 | 3454 |
| 39 | 3476 |
| 40 | 3498 |
| 41 | 3630 |
| 42 | 3652 |
| 43 | 3674 |
| 44 | 3696 |