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 | 0 |
1 | 1 |
2 | 3 |
3 | 19 |
4 | 135 |
5 | 1171 |
6 | 11823 |
7 | 136459 |
8 | 1771815 |
9 | 25561891 |
10 | 405658143 |
11 | 7022891899 |
12 | 131714587095 |
13 | 2660335742611 |
14 | 57570797744463 |
15 | 1328913670495339 |
16 | 32592691757283975 |
17 | 846383665814211331 |
18 | 23200396829832102783 |
19 | 669421949061096050779 |
20 | 20281206249626018470455 |