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 | 8232 |
| 3 | 32640 |
| 4 | 265825 |
| 5 | 3846879 |
| 6 | 6517665 |
| 7 | 14705145 |
| 8 | 16926000 |
| 9 | 31441920 |
| 10 | 56471688 |
| 11 | 146475000 |
| 12 | 211421364 |
| 13 | 277368000 |
| 14 | 369022500 |
| 15 | 662518050 |
| 16 | 679568670 |
| 17 | 968353620 |
| 18 | 2166699360 |
| 19 | 3091750900 |
| 20 | 3755367252 |
| 21 | 4122716598 |
| 22 | 6536970000 |
| 23 | 9740587500 |
| 24 | 10066738500 |
| 25 | 12423246290 |