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 | 16 |
| 2 | 512 |
| 3 | 11888 |
| 4 | 297071 |
| 5 | 7411398 |
| 6 | 185302633 |
| 7 | 4634931975 |
| 8 | 115940148451 |
| 9 | 2900256951630 |
| 10 | 72550765755149 |
| 11 | 1814880621999624 |
| 12 | 45399839444130818 |
| 13 | 1135692126141775248 |
| 14 | 28409717970065456461 |
| 15 | 710678591596437046213 |