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 | 4 |
3 | 55 |
4 | 376 |
5 | 3649 |
6 | 29260 |
7 | 259351 |
8 | 2178544 |
9 | 18828865 |
10 | 160278676 |
11 | 1375440439 |
12 | 11752630120 |
13 | 100652697601 |
14 | 860963365084 |
15 | 7369308666775 |
16 | 63054805905376 |
17 | 539622261625729 |
18 | 4617626476812580 |
19 | 39515774110653751 |
20 | 338150529038305624 |
21 | 2893717306468718785 |