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 | 64 |
| 2 | 2778 |
| 3 | 72514 |
| 4 | 1986213 |
| 5 | 54948498 |
| 6 | 1518341751 |
| 7 | 41966406867 |
| 8 | 1159968653556 |
| 9 | 32062561937804 |
| 10 | 886245421510973 |
| 11 | 24496909108346419 |
| 12 | 677125561489883191 |
| 13 | 18716618615716379268 |
| 14 | 517351460289528901541 |
| 15 | 14300262505893118372023 |