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 | 123 |
| 2 | 335 |
| 3 | 2975 |
| 4 | 3223 |
| 5 | 4319 |
| 6 | 11903 |
| 7 | 25479 |
| 8 | 30239 |
| 9 | 138239 |
| 10 | 393119 |
| 11 | 416639 |
| 12 | 508895 |
| 13 | 773759 |
| 14 | 861839 |
| 15 | 1071359 |
| 16 | 1391039 |
| 17 | 1645055 |
| 18 | 2903039 |
| 19 | 2413151 |
| 20 | 2298239 |
| 21 | 2903039 |
| 22 | 2515199 |
| 23 | 2557439 |
| 24 | 2757887 |
| 25 | 2695679 |
| 26 | 3856895 |
| 27 | 4147199 |
| 28 | 4717439 |
| 29 | 4245695 |
| 30 | 4561919 |
| 31 | 5391359 |
| 32 | 5322239 |