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 | 21 |
| 2 | 115 |
| 3 | 329 |
| 4 | 731 |
| 5 | 2133 |
| 6 | 2171 |
| 7 | 6821 |
| 8 | 7379 |
| 9 | 8357 |
| 10 | 13987 |
| 11 | 19521 |
| 12 | 24331 |
| 13 | 24881 |
| 14 | 29491 |
| 15 | 46001 |
| 16 | 50579 |
| 17 | 56789 |
| 18 | 79421 |
| 19 | 103729 |
| 20 | 117409 |
| 21 | 125159 |
| 22 | 137881 |
| 23 | 174109 |
| 24 | 176661 |
| 25 | 226859 |
| 26 | 235721 |
| 27 | 257291 |
| 28 | 357769 |
| 29 | 492071 |
| 30 | 499091 |
| 31 | 560537 |
| 32 | 584021 |
| 33 | 704791 |
| 34 | 776341 |
| 35 | 822857 |
| 36 | 850607 |
| 37 | 908981 |