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 | 61 |
| 2 | 37447 |
| 3 | 111109 |
| 4 | 271451 |
| 5 | 1118479 |
| 6 | 2000717 |
| 7 | 5399041 |
| 8 | 8308823 |
| 9 | 17847787 |
| 10 | 34636831 |
| 11 | 133878821 |
| 12 | 318877549 |
| 13 | 790779659 |
| 14 | 1475634067 |
| 15 | 1705057969 |
| 16 | 2924670137 |
| 17 | 5337978007 |
| 18 | 12284650663 |
| 19 | 14830601147 |
| 20 | 23073112417 |
| 21 | 40380555731 |
| 22 | 50414324357 |
| 23 | 372777302329 |
| 24 | 766855252057 |