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 | 156 |
2 | 25350 |
3 | 4174300 |
4 | 691890225 |
5 | 115130533440 |
6 | 19207610662240 |
7 | 3210414924974400 |
8 | 537343198067590200 |
9 | 90034838076214002400 |
10 | 15098842345381088202480 |
11 | 2533860269961226256525280 |
12 | 425477370330989242241536600 |
13 | 71480198215606192696578148800 |