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) |
|---|---|
| 0 | 125 |
| 1 | 3375 |
| 2 | 15625 |
| 3 | 42875 |
| 4 | 91125 |
| 5 | 166375 |
| 6 | 274625 |
| 7 | 421875 |
| 8 | 614125 |
| 9 | 857375 |
| 10 | 1157625 |
| 11 | 1520875 |
| 12 | 1953125 |
| 13 | 2460375 |
| 14 | 3048625 |
| 15 | 3723875 |
| 16 | 4492125 |
| 17 | 5359375 |
| 18 | 6331625 |
| 19 | 7414875 |
| 20 | 8615125 |
| 21 | 9938375 |
| 22 | 11390625 |
| 23 | 12977875 |
| 24 | 14706125 |
| 25 | 16581375 |
| 26 | 18609625 |
| 27 | 20796875 |
| 28 | 23149125 |
| 29 | 25672375 |