n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 1 |
3 | 8 |
4 | 75 |
5 | 796 |
6 | 8051 |
7 | 73788 |
8 | 623155 |
9 | 4965836 |
10 | 38028051 |
11 | 283400668 |
12 | 2072874035 |
13 | 14966280876 |
14 | 107083717651 |
15 | 761327161148 |
16 | 5388524417715 |
17 | 38017832427916 |
18 | 267623218488851 |
19 | 1880883687651228 |
20 | 13203904989574195 |
21 | 92616374066478956 |
22 | 649261556308773651 |
[0,1,1,8,75,796,8051,73788,623155,4965836, 38028051,283400668,2072874035,14966280876, 107083717651,761327161148,5388524417715, 38017832427916,267623218488851,1880883687651228, 13203904989574195,92616374066478956, 649261556308773651] |