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 | 561 |
| 2 | 2701 |
| 3 | 4371 |
| 4 | 8911 |
| 5 | 10585 |
| 6 | 18721 |
| 7 | 33153 |
| 8 | 41041 |
| 9 | 49141 |
| 10 | 93961 |
| 11 | 104653 |
| 12 | 115921 |
| 13 | 157641 |
| 14 | 226801 |
| 15 | 289941 |
| 16 | 314821 |
| 17 | 334153 |
| 18 | 534061 |
| 19 | 665281 |
| 20 | 721801 |
| 21 | 831405 |
| 22 | 873181 |
| 23 | 915981 |
| 24 | 1004653 |
| 25 | 1373653 |
| 26 | 1537381 |
| 27 | 1755001 |
| 28 | 1815465 |
| 29 | 1987021 |
| 30 | 2035153 |
| 31 | 2233441 |
| 32 | 2284453 |
| 33 | 3059101 |