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 | 0 |
1 | 1 |
2 | 2 |
3 | 6 |
4 | 20 |
5 | 69 |
6 | 241 |
7 | 845 |
8 | 2966 |
9 | 10414 |
10 | 36568 |
11 | 128409 |
12 | 450913 |
13 | 1583401 |
14 | 5560186 |
15 | 19524854 |
16 | 68562444 |
17 | 240760253 |
18 | 845440977 |
19 | 2968805845 |
20 | 10425101678 |
21 | 36608235998 |
22 | 128551546480 |
23 | 451414815601 |
24 | 1585164405441 |