n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 16 |
4 | 64 |
5 | 308 |
6 | 1727 |
7 | 11008 |
8 | 78244 |
9 | 611060 |
10 | 5184338 |
11 | 47366320 |
12 | 462782080 |
13 | 4807659368 |
14 | 52853722811 |
15 | 612426360832 |
16 | 7453621425532 |
17 | 94997205901940 |
18 | 1264555335831662 |
19 | 17540102647480336 |
20 | 252979919852470672 |
[1,2,5,16,64,308,1727,11008,78244,611060,5184338, 47366320,462782080,4807659368,52853722811, 612426360832,7453621425532,94997205901940, 1264555335831662,17540102647480336, 252979919852470672] |