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) |
|---|---|
| 0 | 1 |
| 1 | 26 |
| 2 | 465 |
| 3 | 7150 |
| 4 | 101621 |
| 5 | 1378026 |
| 6 | 18123145 |
| 7 | 233349350 |
| 8 | 2958918141 |
| 9 | 37094306626 |
| 10 | 461004657425 |
| 11 | 5690785933950 |
| 12 | 69876732453061 |
| 13 | 854393804284826 |
| 14 | 10411455807073305 |
| 15 | 126524771262956950 |
| 16 | 1534170271000826381 |