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 | 1 |
3 | 4 |
4 | 13 |
5 | 84 |
6 | 469 |
7 | 4152 |
8 | 32985 |
9 | 370128 |
10 | 3818601 |
11 | 51861888 |
12 | 658371429 |
13 | 10494283968 |
14 | 158197312701 |
15 | 2894815734912 |
16 | 50529852678321 |
17 | 1043916757274880 |
18 | 20707179214389201 |
19 | 476720372375608320 |