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 | 1 |
2 | 3 |
3 | 19 |
4 | 121 |
5 | 1041 |
6 | 9931 |
7 | 106723 |
8 | 1313649 |
9 | 17830081 |
10 | 265652371 |
11 | 4259421651 |
12 | 74011854313 |
13 | 1374298028689 |
14 | 27230459440731 |
15 | 573414615381091 |
16 | 12723857450638561 |
17 | 297915550887491073 |
18 | 7328943525355675939 |
19 | 188820746254730967571 |
20 | 5086439179764958688601 |