n | a(n) |
---|---|
8 | 1 |
9 | 502 |
10 | 47840 |
11 | 2203488 |
12 | 66318474 |
13 | 1505621508 |
14 | 27971176092 |
15 | 447538817472 |
16 | 6382798925475 |
17 | 83137223185370 |
18 | 1006709967915228 |
19 | 11485644635009424 |
20 | 124748182104463860 |
21 | 1300365805079109480 |
22 | 13093713503185076040 |
[1,502,47840,2203488,66318474,1505621508, 27971176092,447538817472,6382798925475, 83137223185370,1006709967915228,11485644635009424, 124748182104463860,1300365805079109480, 13093713503185076040] |