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 | 0 |
2 | 1 |
3 | 3 |
4 | 13 |
5 | 65 |
6 | 391 |
7 | 2737 |
8 | 21897 |
9 | 197073 |
10 | 1970731 |
11 | 21678041 |
12 | 260136493 |
13 | 3381774409 |
14 | 47344841727 |
15 | 710172625905 |
16 | 11362762014481 |
17 | 193166954246177 |
18 | 3477005176431187 |
19 | 66063098352192553 |
20 | 1321261967043851061 |
21 | 27746501307920872281 |
22 | 610423028774259190183 |