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 | 1 |
1 | 0 |
2 | 1 |
3 | 4 |
4 | 17 |
5 | 91 |
6 | 587 |
7 | 4327 |
8 | 35604 |
9 | 323316 |
10 | 3210600 |
11 | 34574453 |
12 | 400893066 |
13 | 4975247460 |
14 | 65755573847 |
15 | 921535225267 |
16 | 13643496840808 |
17 | 212688569520955 |
18 | 3480978391442106 |
19 | 59657975022473437 |
20 | 1068151956803180295 |
21 | 19937983367649562025 |
22 | 387243759600707804811 |
23 | 7812456801157894913964 |