n | a(n) |
---|---|
1 | 1 |
2 | 5 |
3 | 40 |
4 | 440 |
5 | 6170 |
6 | 105315 |
7 | 2120610 |
8 | 49242470 |
9 | 1296133195 |
10 | 38152216495 |
11 | 1242274374380 |
12 | 44345089721923 |
13 | 1722416374173854 |
14 | 72330102999829054 |
15 | 3265871028909088036 |
16 | 157797437377747327987 |
17 | 8124524883679977475839 |
18 | 444098724261935142753430 |
[1,5,40,440,6170,105315,2120610,49242470, 1296133195,38152216495,1242274374380, 44345089721923,1722416374173854,72330102999829054, 3265871028909088036,157797437377747327987, 8124524883679977475839,444098724261935142753430] |