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 | 14 |
| 2 | 196 |
| 3 | 406 |
| 4 | 3010 |
| 5 | 8736 |
| 6 | 49126 |
| 7 | 169974 |
| 8 | 833364 |
| 9 | 3166030 |
| 10 | 14462714 |
| 11 | 57750784 |
| 12 | 254227806 |
| 13 | 1042375166 |
| 14 | 4500225380 |
| 15 | 18712446886 |
| 16 | 79961471506 |
| 17 | 334969826464 |
| 18 | 1423640395254 |
| 19 | 5987342521510 |
| 20 | 25373701694964 |
| 21 | 106935469300254 |