n | a(n) |
---|---|
1 | 4 |
2 | 44 |
3 | 372 |
4 | 2932 |
5 | 22484 |
6 | 170196 |
7 | 1279828 |
8 | 9590612 |
9 | 71736660 |
10 | 536055124 |
11 | 4003591508 |
12 | 29892900180 |
13 | 223162389844 |
14 | 1665861735764 |
15 | 12434781197652 |
16 | 92816950121812 |
17 | 692805066118484 |
18 | 5171207088198996 |
19 | 38598573880071508 |
20 | 288104312443589972 |
21 | 2150442403051689300 |
[4,44,372,2932,22484,170196,1279828,9590612, 71736660,536055124,4003591508,29892900180, 223162389844,1665861735764,12434781197652, 92816950121812,692805066118484,5171207088198996, 38598573880071508,288104312443589972, 2150442403051689300] |