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 | 1 |
2 | 3 |
3 | 13 |
4 | 73 |
5 | 501 |
6 | 3331 |
7 | 27553 |
8 | 253233 |
9 | 2540233 |
10 | 27340291 |
11 | 309811701 |
12 | 3843476473 |
13 | 50560182973 |
14 | 701098196163 |
15 | 10205952248521 |
16 | 155809733115361 |
17 | 2506135027165713 |
18 | 42013633806350083 |
19 | 732584456250306013 |
20 | 13270900741926553641 |
21 | 249625454707702681861 |