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 | 2735 |
| 3 | 53175 |
| 4 | 573119 |
| 5 | 35919085 |
| 6 | 1272836591 |
| 7 | 28914051279 |
| 8 | 949224569894 |
| 9 | 32507021089982 |
| 10 | 940396282368163 |
| 11 | 28523594741249476 |
| 12 | 910897573503281049 |
| 13 | 27940827448011878850 |
| 14 | 852581385081080135117 |
| 15 | 26505475722899552411184 |