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 | 4 |
3 | 19 |
4 | 107 |
5 | 648 |
6 | 4144 |
7 | 27500 |
8 | 187654 |
9 | 1308361 |
10 | 9280049 |
11 | 66749995 |
12 | 485741501 |
13 | 3569653591 |
14 | 26454406231 |
15 | 197482954338 |
16 | 1483619134872 |
17 | 11208536870979 |
18 | 85101381927454 |
19 | 649017399223259 |
20 | 4969510058193925 |
21 | 38189305411228229 |
22 | 294440263583908772 |