n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 90 |
3 | 1314 |
4 | 21084 |
5 | 353772 |
6 | 6128208 |
7 | 108606408 |
8 | 1958248980 |
9 | 35787633828 |
10 | 661145207064 |
11 | 12322983505860 |
12 | 231395387482470 |
13 | 4372431546366636 |
14 | 83068148270734740 |
15 | 1585548331063624992 |
16 | 30388252830928088010 |
17 | 584527926996090202428 |
18 | 11279880522021539956860 |
[1,6,90,1314,21084,353772,6128208,108606408, 1958248980,35787633828,661145207064, 12322983505860,231395387482470,4372431546366636, 83068148270734740,1585548331063624992, 30388252830928088010,584527926996090202428, 11279880522021539956860] |