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 | 4 |
2 | 28 |
3 | 232 |
4 | 1984 |
5 | 17056 |
6 | 146752 |
7 | 1262848 |
8 | 10867456 |
9 | 93520384 |
10 | 804794368 |
11 | 6925699072 |
12 | 59599458304 |
13 | 512886194176 |
14 | 4413668442112 |
15 | 37982050091008 |
16 | 326856479604736 |
17 | 2812780194955264 |
18 | 24205524194295808 |
19 | 208301879603494912 |
20 | 1792552505703399424 |
21 | 15425902501792055296 |