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 | 5 |
3 | 26 |
4 | 208 |
5 | 1644 |
6 | 18728 |
7 | 201466 |
8 | 2809672 |
9 | 39505800 |
10 | 647509992 |
11 | 10851033984 |
12 | 210456343392 |
13 | 4090234000800 |
14 | 89123794754304 |
15 | 2000019423403824 |
16 | 48674645933985408 |
17 | 1217362548455301504 |
18 | 32913123947574009984 |
19 | 910006995701419453440 |
20 | 26898048642355515339264 |