n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 19 |
4 | 140 |
5 | 1090 |
6 | 8749 |
7 | 71604 |
8 | 593997 |
9 | 4976785 |
10 | 42016975 |
11 | 356879250 |
12 | 3046096983 |
13 | 26105109424 |
14 | 224485080580 |
15 | 1936029865870 |
16 | 16738879226139 |
17 | 145041018993018 |
18 | 1259189426140919 |
19 | 10950454909118725 |
20 | 95374995078513150 |
21 | 831822673255797630 |
22 | 7263789225782699928 |
[1,3,19,140,1090,8749,71604,593997,4976785, 42016975,356879250,3046096983,26105109424, 224485080580,1936029865870,16738879226139, 145041018993018,1259189426140919, 10950454909118725,95374995078513150, 831822673255797630,7263789225782699928] |