n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 31 |
3 | 380 |
4 | 6017 |
5 | 119812 |
6 | 2863903 |
7 | 79849340 |
8 | 2544494081 |
9 | 91218404356 |
10 | 3633458059039 |
11 | 159202837770620 |
12 | 7609742731484033 |
13 | 394049923598413828 |
14 | 21974409170191973407 |
15 | 1312944562859473313660 |
16 | 83676651905307684333569 |
17 | 5666190077265731685365764 |
18 | 406257664391186624860008991 |
19 | 30746316355830218639758848380 |
20 | 2449407313095934366223281388417 |
21 | 204888804298166571602163435568132 |
[1,4,31,380,6017,119812,2863903,79849340, 2544494081,91218404356,3633458059039, 159202837770620,7609742731484033, 394049923598413828,21974409170191973407, 1312944562859473313660,83676651905307684333569, 5666190077265731685365764, 406257664391186624860008991, 30746316355830218639758848380, 2449407313095934366223281388417, 204888804298166571602163435568132] |