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 | 24576 |
| 2 | 106500 |
| 3 | 565512 |
| 4 | 3392964 |
| 5 | 22327496 |
| 6 | 158877948 |
| 7 | 1212120160 |
| 8 | 9849731140 |
| 9 | 84719304384 |
| 10 | 766319864440 |
| 11 | 7241521734020 |
| 12 | 71028444904044 |
| 13 | 718816489322444 |
| 14 | 7466044767879028 |
| 15 | 79230397598482712 |
| 16 | 855840660674700612 |
| 17 | 9381236750764316676 |
| 18 | 104090420921618696952 |