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 | 1 |
2 | 0 |
3 | 3 |
4 | 13 |
5 | 53 |
6 | 2906 |
7 | 30391 |
8 | 306356 |
9 | 1544521 |
10 | 314487775 |
11 | 5311670611 |
12 | 71438659315 |
13 | 8643791799805 |
14 | 208502988236908 |
15 | 4525624184096751 |
16 | 55200677713457866 |
17 | 15583522643116493073 |
18 | 466115766638709659105 |
19 | 11099251895486710352779 |
20 | 1358250003379776429113 |
21 | 75419018385982521381124421 |