n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 1 |
4 | 19 |
5 | 317 |
6 | 5582 |
7 | 108244 |
8 | 2331108 |
9 | 55636986 |
10 | 1463717784 |
11 | 42182876763 |
12 | 1323539651164 |
13 | 44955519539963 |
14 | 1644461582317560 |
15 | 64481138409909506 |
16 | 2698923588248208224 |
17 | 120133276796015812548 |
18 | 5667351458582453925696 |
19 | 282496750694780020437765 |
20 | 14837506263979393796687088 |
[0,0,0,1,19,317,5582,108244,2331108,55636986, 1463717784,42182876763,1323539651164, 44955519539963,1644461582317560,64481138409909506, 2698923588248208224,120133276796015812548, 5667351458582453925696,282496750694780020437765, 14837506263979393796687088] |