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 | 1 |
| 1 | 58 |
| 2 | 3365 |
| 3 | 195228 |
| 4 | 11326589 |
| 5 | 657137390 |
| 6 | 38125295209 |
| 7 | 2211924259512 |
| 8 | 128329732346905 |
| 9 | 7445336400380002 |
| 10 | 431957840954387021 |
| 11 | 25061000111754827220 |
| 12 | 1453969964322734365781 |
| 13 | 84355318930830348042518 |
| 14 | 4894062467952482920831825 |
| 15 | 283939978460174839756288368 |