n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 7 |
3 | 13 |
4 | 91 |
5 | 205 |
6 | 1435 |
7 | 3565 |
8 | 24955 |
9 | 65821 |
10 | 460747 |
11 | 1265677 |
12 | 8859739 |
13 | 25066621 |
14 | 175466347 |
15 | 507709165 |
16 | 3553964155 |
17 | 10466643805 |
18 | 73266506635 |
19 | 218878998733 |
20 | 1532152991131 |
21 | 4631531585341 |
22 | 32420721097387 |
23 | 98980721277613 |
24 | 692865048943291 |
25 | 2133274258946845 |
[1,1,7,13,91,205,1435,3565,24955,65821,460747, 1265677,8859739,25066621,175466347,507709165, 3553964155,10466643805,73266506635,218878998733, 1532152991131,4631531585341,32420721097387, 98980721277613,692865048943291,2133274258946845] |