n | a(n) |
---|---|
1 | 2 |
2 | 10 |
3 | 38 |
4 | 136 |
5 | 486 |
6 | 1760 |
7 | 6466 |
8 | 24042 |
9 | 90238 |
10 | 341190 |
11 | 1297574 |
12 | 4958114 |
13 | 19019254 |
14 | 73196994 |
15 | 282492254 |
16 | 1092867904 |
17 | 4236849774 |
18 | 16455966944 |
19 | 64020347914 |
20 | 249431257704 |
21 | 973100041934 |
22 | 3800867789884 |
23 | 14862066265434 |
24 | 58170868424084 |
[2,10,38,136,486,1760,6466,24042,90238,341190, 1297574,4958114,19019254,73196994,282492254, 1092867904,4236849774,16455966944,64020347914, 249431257704,973100041934,3800867789884, 14862066265434,58170868424084] |