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 | 5 |
1 | 18 |
2 | 78 |
3 | 360 |
4 | 1692 |
5 | 7992 |
6 | 37800 |
7 | 178848 |
8 | 846288 |
9 | 4004640 |
10 | 18950112 |
11 | 89672832 |
12 | 424336320 |
13 | 2007980928 |
14 | 9501867648 |
15 | 44963320320 |
16 | 212768716032 |
17 | 1006832374272 |
18 | 4764381949440 |
19 | 22545297451008 |
20 | 106685493009408 |
21 | 504841173350400 |