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 | 2 |
3 | 5 |
4 | 15 |
5 | 49 |
6 | 168 |
7 | 595 |
8 | 2160 |
9 | 7998 |
10 | 30095 |
11 | 114751 |
12 | 442402 |
13 | 1721636 |
14 | 6753869 |
15 | 26680262 |
16 | 106042264 |
17 | 423750562 |
18 | 1701476738 |
19 | 6861334966 |
20 | 27776206851 |
21 | 112839216109 |
22 | 459867381701 |
23 | 1879624039171 |
24 | 7703187691979 |
25 | 31647457638073 |
26 | 130314986803631 |
27 | 537730217342715 |
28 | 2223228743506792 |