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 | 3 |
2 | 6 |
3 | 21 |
4 | 60 |
5 | 174 |
6 | 537 |
7 | 1596 |
8 | 4776 |
9 | 14358 |
10 | 43053 |
11 | 129126 |
12 | 387438 |
13 | 1162272 |
14 | 3486678 |
15 | 10460307 |
16 | 31380756 |
17 | 94141830 |
18 | 282426288 |
19 | 847278282 |
20 | 2541833808 |
21 | 7625503749 |
22 | 22876509444 |
23 | 68629525032 |
24 | 205888582014 |
25 | 617665741140 |
26 | 1852997213508 |
27 | 5558991660912 |
28 | 16676974967991 |
29 | 50030924873862 |
30 | 150092774683998 |