n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 16 |
3 | 119 |
4 | 1070 |
5 | 10762 |
6 | 116546 |
7 | 1330923 |
8 | 15823388 |
9 | 194168612 |
10 | 2444224858 |
11 | 31422225930 |
12 | 411141476444 |
13 | 5460849893348 |
14 | 73474839110524 |
15 | 999764999592077 |
16 | 13738614091375204 |
17 | 190450074950481408 |
18 | 2660727794475865450 |
[1,3,16,119,1070,10762,116546,1330923,15823388, 194168612,2444224858,31422225930,411141476444, 5460849893348,73474839110524,999764999592077, 13738614091375204,190450074950481408, 2660727794475865450] |