n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 22 |
4 | 197 |
5 | 2316 |
6 | 33967 |
7 | 595624 |
8 | 12190761 |
9 | 285479056 |
10 | 7531645211 |
11 | 221124649824 |
12 | 7152276636397 |
13 | 252742471065280 |
14 | 9688895208298503 |
15 | 400510408002257536 |
16 | 17759663471017945553 |
17 | 840937887639033467136 |
18 | 42351198256293556043827 |
[1,1,3,22,197,2316,33967,595624,12190761, 285479056,7531645211,221124649824,7152276636397, 252742471065280,9688895208298503, 400510408002257536,17759663471017945553, 840937887639033467136,42351198256293556043827] |