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 | 6 |
2 | 30 |
3 | 145 |
4 | 696 |
5 | 3336 |
6 | 15985 |
7 | 76590 |
8 | 366966 |
9 | 1758241 |
10 | 8424240 |
11 | 40362960 |
12 | 193390561 |
13 | 926589846 |
14 | 4439558670 |
15 | 21271203505 |
16 | 101916458856 |
17 | 488311090776 |
18 | 2339638995025 |
19 | 11209883884350 |
20 | 53709780426726 |
21 | 257339018249281 |