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 | 31 |
| 2 | 2801 |
| 3 | 30941 |
| 4 | 88741 |
| 5 | 292561 |
| 6 | 732541 |
| 7 | 3500201 |
| 8 | 28792661 |
| 9 | 39449441 |
| 10 | 48037081 |
| 11 | 262209281 |
| 12 | 1394714501 |
| 13 | 2666986681 |
| 14 | 3276517921 |
| 15 | 4802611441 |
| 16 | 5908670381 |
| 17 | 12936304421 |
| 18 | 16656709681 |
| 19 | 19408913261 |
| 20 | 24903325661 |
| 21 | 37226181521 |
| 22 | 43713558101 |
| 23 | 52753304641 |
| 24 | 64141071121 |
| 25 | 96427561501 |
| 26 | 100648118041 |