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) |
---|---|
1 | 1 |
2 | 6 |
3 | 23 |
4 | 100 |
5 | 421 |
6 | 1786 |
7 | 7563 |
8 | 32040 |
9 | 135721 |
10 | 574926 |
11 | 2435423 |
12 | 10316620 |
13 | 43701901 |
14 | 185124226 |
15 | 784198803 |
16 | 3321919440 |
17 | 14071876561 |
18 | 59609425686 |
19 | 252509579303 |
20 | 1069647742900 |
21 | 4531100550901 |
22 | 19194049946506 |
23 | 81307300336923 |
24 | 344423251294200 |
25 | 1459000305513721 |