n | a(n) |
---|---|
1 | 1 |
2 | 42 |
3 | 156 |
4 | 1308 |
5 | 9682 |
6 | 77981 |
7 | 667784 |
8 | 5725192 |
9 | 49894988 |
10 | 436024084 |
11 | 3819671165 |
12 | 33500023708 |
13 | 293944562757 |
14 | 2579947488299 |
15 | 22646800053660 |
16 | 198806639447126 |
17 | 1745291213052799 |
18 | 15321855265489822 |
19 | 134511069014015019 |
[1,42,156,1308,9682,77981,667784,5725192,49894988, 436024084,3819671165,33500023708,293944562757, 2579947488299,22646800053660,198806639447126, 1745291213052799,15321855265489822, 134511069014015019] |