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 | 1 |
| 2 | 4 |
| 3 | 5 |
| 4 | 18 |
| 5 | 22 |
| 6 | 27 |
| 7 | 216 |
| 8 | 234 |
| 9 | 256 |
| 10 | 283 |
| 11 | 1794 |
| 12 | 2010 |
| 13 | 2244 |
| 14 | 2500 |
| 15 | 2783 |
| 16 | 16050 |
| 17 | 17844 |
| 18 | 19854 |
| 19 | 22098 |
| 20 | 24598 |
| 21 | 27381 |
| 22 | 161748 |
| 23 | 177798 |
| 24 | 195642 |
| 25 | 215496 |
| 26 | 237594 |
| 27 | 262192 |
| 28 | 289573 |
| 29 | 1754886 |
| 30 | 1916634 |
| 31 | 2094432 |
| 32 | 2290074 |
| 33 | 2505570 |
| 34 | 2743164 |
| 35 | 3005356 |
| 36 | 3294929 |
| 37 | 20252058 |
| 38 | 22006944 |
| 39 | 23923578 |
| 40 | 26018010 |
| 41 | 28308084 |
| 42 | 30813654 |
| 43 | 33556818 |
| 44 | 36562174 |
| 45 | 39857103 |