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 | 264 |
| 2 | 4152 |
| 3 | 77064 |
| 4 | 1551576 |
| 5 | 33343752 |
| 6 | 745374264 |
| 7 | 17140046088 |
| 8 | 402328199064 |
| 9 | 9593786367240 |
| 10 | 231629451811896 |
| 11 | 5648880427214088 |
| 12 | 138910500564007128 |
| 13 | 3439808201626085640 |
| 14 | 85686183717823968312 |
| 15 | 2145402754204531455240 |
| 16 | 53956201350487199168280 |