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 | 1039 |
| 2 | 2099 |
| 3 | 4253 |
| 4 | 91121 |
| 5 | 386401 |
| 6 | 626617 |
| 7 | 754973 |
| 8 | 873553 |
| 9 | 908857 |
| 10 | 972137 |
| 11 | 1619353 |
| 12 | 1749067 |
| 13 | 1841681 |
| 14 | 2007899 |
| 15 | 2169007 |
| 16 | 2241353 |
| 17 | 2420633 |
| 18 | 2484931 |
| 19 | 2594971 |
| 20 | 3075323 |
| 21 | 3129601 |
| 22 | 3151843 |
| 23 | 3837451 |
| 24 | 3843247 |
| 25 | 3919229 |
| 26 | 4038709 |
| 27 | 4545683 |
| 28 | 5502449 |
| 29 | 5530529 |
| 30 | 5921869 |