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 | 4 |
| 2 | 6 |
| 3 | 11 |
| 4 | 22 |
| 5 | 44 |
| 6 | 67 |
| 7 | 73 |
| 8 | 80 |
| 9 | 93 |
| 10 | 122 |
| 11 | 131 |
| 12 | 159 |
| 13 | 169 |
| 14 | 175 |
| 15 | 183 |
| 16 | 213 |
| 17 | 261 |
| 18 | 295 |
| 19 | 331 |
| 20 | 375 |
| 21 | 414 |
| 22 | 443 |
| 23 | 464 |
| 24 | 466 |
| 25 | 504 |
| 26 | 518 |
| 27 | 546 |
| 28 | 596 |
| 29 | 603 |
| 30 | 631 |
| 31 | 731 |
| 32 | 735 |
| 33 | 803 |
| 34 | 830 |
| 35 | 831 |
| 36 | 859 |
| 37 | 868 |
| 38 | 871 |
| 39 | 966 |
| 40 | 1033 |
| 41 | 1231 |
| 42 | 1326 |
| 43 | 1346 |
| 44 | 1356 |
| 45 | 1386 |
| 46 | 1551 |
| 47 | 1568 |
| 48 | 1580 |
| 49 | 1676 |
| 50 | 1683 |
| 51 | 1688 |