n | a(n) |
---|---|
1 | 4 |
2 | 40 |
3 | 441 |
4 | 2745 |
5 | 21025 |
6 | 167464 |
7 | 1336336 |
8 | 10277652 |
9 | 80568576 |
10 | 631845004 |
11 | 4952218384 |
12 | 38731564472 |
13 | 303450044769 |
14 | 2376946740975 |
15 | 18616368579561 |
16 | 145790870490104 |
17 | 1141923459200164 |
18 | 8943885706383975 |
19 | 70049807131516081 |
[4,40,441,2745,21025,167464,1336336,10277652, 80568576,631845004,4952218384,38731564472, 303450044769,2376946740975,18616368579561, 145790870490104,1141923459200164,8943885706383975, 70049807131516081] |