n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 12 |
4 | 57 |
5 | 320 |
6 | 2065 |
7 | 14954 |
8 | 119585 |
9 | 1044184 |
10 | 9867633 |
11 | 100185294 |
12 | 1086173121 |
13 | 12510549116 |
14 | 152422123321 |
15 | 1956974934290 |
16 | 26391647743937 |
17 | 372769201632784 |
18 | 5500416368181921 |
19 | 84594395013757398 |
20 | 1353277808896178145 |
21 | 22476374660911200068 |
22 | 386925983827921358665 |
23 | 6893254434792968631674 |
[1,1,3,12,57,320,2065,14954,119585,1044184, 9867633,100185294,1086173121,12510549116, 152422123321,1956974934290,26391647743937, 372769201632784,5500416368181921, 84594395013757398,1353277808896178145, 22476374660911200068,386925983827921358665, 6893254434792968631674] |