n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 1 |
4 | 2 |
5 | 8 |
6 | 12 |
7 | 129 |
8 | 874 |
9 | 9630 |
10 | 167001 |
11 | 3043147 |
12 | 72844510 |
13 | 2423789655 |
14 | 106665874384 |
15 | 6156805673648 |
16 | 470151743582651 |
17 | 47558937432498729 |
18 | 6363358599941131580 |
19 | 1126147544855148769425 |
20 | 263646401550138303553708 |
21 | 81649922556593759124887197 |
[1,0,1,1,2,8,12,129,874,9630,167001,3043147, 72844510,2423789655,106665874384,6156805673648, 470151743582651,47558937432498729, 6363358599941131580,1126147544855148769425, 263646401550138303553708, 81649922556593759124887197] |