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 | 6210 |
| 2 | 33294 |
| 3 | 177648 |
| 4 | 942216 |
| 5 | 4971120 |
| 6 | 26346486 |
| 7 | 139555230 |
| 8 | 738947844 |
| 9 | 3912529200 |
| 10 | 20719113168 |
| 11 | 109715387730 |
| 12 | 580975750422 |
| 13 | 3076449953280 |
| 14 | 16290853187184 |
| 15 | 86265445976256 |
| 16 | 456803864051526 |
| 17 | 2418927144356598 |