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) |
---|---|
2 | 1 |
3 | 4 |
4 | 16 |
5 | 66 |
6 | 296 |
7 | 1334 |
8 | 6322 |
9 | 30930 |
10 | 158008 |
11 | 837530 |
12 | 4624462 |
13 | 26379128 |
14 | 155536148 |
15 | 944173842 |
16 | 5898860754 |
17 | 37848982610 |
18 | 249347884600 |
19 | 1684168485302 |
20 | 11655678956456 |
21 | 82532887947582 |
22 | 597399961515754 |
23 | 4414814240798968 |
24 | 33281178413298246 |
25 | 255687224968704234 |