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 | 5 |
| 3 | 26 |
| 4 | 326 |
| 5 | 8257 |
| 6 | 420519 |
| 7 | 43655680 |
| 8 | 9196006628 |
| 9 | 3931962260999 |
| 10 | 3413278465996124 |
| 11 | 6014918791165296861 |
| 12 | 21516997694119562490452 |
| 13 | 156257115416099427263269042 |
| 14 | 2303561969444050408142747347914 |