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 | 5 |
2 | 15 |
3 | 60 |
4 | 295 |
5 | 1625 |
6 | 9430 |
7 | 56465 |
8 | 345010 |
9 | 2139595 |
10 | 13419500 |
11 | 84926105 |
12 | 541398665 |
13 | 3472389210 |
14 | 22385362895 |
15 | 144945232375 |
16 | 942089445030 |
17 | 6143582084115 |
18 | 40181143112035 |
19 | 263482860974570 |
20 | 1731780213622125 |
21 | 11406235045261205 |
22 | 75268685723935940 |