n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 15 |
4 | 32 |
5 | 239 |
6 | 510 |
7 | 3809 |
8 | 8128 |
9 | 60705 |
10 | 129538 |
11 | 967471 |
12 | 2064480 |
13 | 15418831 |
14 | 32902142 |
15 | 245733825 |
16 | 524369792 |
17 | 3916322369 |
18 | 8357014530 |
19 | 62415424079 |
20 | 133187862688 |
21 | 994730462895 |
22 | 2122648788478 |
23 | 15853271982241 |
24 | 33829192752960 |
25 | 252657621252961 |
26 | 539144435258882 |
[1,2,15,32,239,510,3809,8128,60705,129538,967471, 2064480,15418831,32902142,245733825,524369792, 3916322369,8357014530,62415424079,133187862688, 994730462895,2122648788478,15853271982241, 33829192752960,252657621252961,539144435258882] |