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 | 10 |
1 | 50 |
2 | 280 |
3 | 1640 |
4 | 9760 |
5 | 58400 |
6 | 350080 |
7 | 2099840 |
8 | 12597760 |
9 | 75584000 |
10 | 453498880 |
11 | 2720983040 |
12 | 16325877760 |
13 | 97955225600 |
14 | 587731271680 |
15 | 3526387466240 |
16 | 21158324469760 |
17 | 126949946163200 |
18 | 761699675668480 |
19 | 4570198051389440 |
20 | 27421188303093760 |