n | a(n) |
---|---|
1 | 0 |
2 | 2 |
3 | 23 |
4 | 255 |
5 | 3260 |
6 | 49196 |
7 | 867699 |
8 | 17604595 |
9 | 404662204 |
10 | 10401033404 |
11 | 295672787215 |
12 | 9211294233871 |
13 | 312080173805324 |
14 | 11423999821072140 |
15 | 449316582527563515 |
16 | 18896039733447227131 |
17 | 846135945932355895308 |
18 | 40192537618855187742732 |
19 | 2018612071634068368034711 |
[0,2,23,255,3260,49196,867699,17604595,404662204, 10401033404,295672787215,9211294233871, 312080173805324,11423999821072140, 449316582527563515,18896039733447227131, 846135945932355895308,40192537618855187742732, 2018612071634068368034711] |