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 | 36 |
| 2 | 1326 |
| 3 | 2346 |
| 4 | 3570 |
| 5 | 125250 |
| 6 | 223446 |
| 7 | 12502500 |
| 8 | 22234446 |
| 9 | 1250025000 |
| 10 | 2066441328 |
| 11 | 2222344446 |
| 12 | 2383847676 |
| 13 | 3673573470 |
| 14 | 125000250000 |
| 15 | 222223444446 |
| 16 | 5794481158896 |
| 17 | 12500002500000 |
| 18 | 12857132571426 |
| 19 | 22222234444446 |
| 20 | 49293309858660 |
| 21 | 804878916097578 |
| 22 | 933618918672378 |
| 23 | 971908519438170 |