n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 16 |
4 | 131 |
5 | 1306 |
6 | 15257 |
7 | 203967 |
8 | 3047907 |
9 | 50115310 |
10 | 896746169 |
11 | 17308420306 |
12 | 357767229778 |
13 | 7872926416538 |
14 | 183537476164902 |
15 | 4513828442107368 |
16 | 116688468769638435 |
17 | 3160881019508153238 |
18 | 89471871451166037425 |
[1,1,3,16,131,1306,15257,203967,3047907,50115310, 896746169,17308420306,357767229778,7872926416538, 183537476164902,4513828442107368, 116688468769638435,3160881019508153238, 89471871451166037425] |