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 | 4 |
2 | 593 |
3 | 20494 |
4 | 266497 |
5 | 1969376 |
6 | 10125649 |
7 | 40473658 |
8 | 134483969 |
9 | 387958492 |
10 | 1001010001 |
11 | 2359733894 |
12 | 5162787073 |
13 | 10609354744 |
14 | 20668614737 |
15 | 38454800626 |
16 | 68736319489 |
17 | 118612097588 |
18 | 198393407569 |
19 | 322734873982 |
20 | 512064160001 |