n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 1 |
4 | 6 |
5 | 28 |
6 | 127 |
7 | 598 |
8 | 2984 |
9 | 15851 |
10 | 89532 |
11 | 536152 |
12 | 3392609 |
13 | 22609852 |
14 | 158220300 |
15 | 1159380201 |
16 | 8873605258 |
17 | 70778190768 |
18 | 587125257319 |
19 | 5055713850058 |
20 | 45114387675316 |
21 | 416535887361323 |
22 | 3973511993495144 |
23 | 39112086371684844 |
[1,0,0,1,6,28,127,598,2984,15851,89532,536152, 3392609,22609852,158220300,1159380201,8873605258, 70778190768,587125257319,5055713850058, 45114387675316,416535887361323,3973511993495144, 39112086371684844] |