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 | 128 |
| 2 | 2187 |
| 3 | 16128 |
| 4 | 76300 |
| 5 | 272760 |
| 6 | 803382 |
| 7 | 2052904 |
| 8 | 4698744 |
| 9 | 9854280 |
| 10 | 19251970 |
| 11 | 35471832 |
| 12 | 62220324 |
| 13 | 104664664 |
| 14 | 169827630 |
| 15 | 267047880 |
| 16 | 408510832 |
| 17 | 609855144 |
| 18 | 890859834 |
| 19 | 1276217080 |
| 20 | 1796395740 |
| 21 | 2488600632 |
| 22 | 3397832614 |
| 23 | 4578054504 |