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 | 11 |
4 | 60 |
5 | 384 |
6 | 3062 |
7 | 27838 |
8 | 293416 |
9 | 3447768 |
10 | 45277392 |
11 | 651587760 |
12 | 10254900048 |
13 | 174557518992 |
14 | 3203361670896 |
15 | 62938642659504 |
16 | 1319693558377728 |
17 | 29390794198726656 |
18 | 693223221342879360 |
19 | 17256288944072200320 |
20 | 452215395177034040064 |