n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 18 |
4 | 93 |
5 | 634 |
6 | 5317 |
7 | 52610 |
8 | 598445 |
9 | 7685706 |
10 | 109933269 |
11 | 1732565842 |
12 | 29824133437 |
13 | 556682481818 |
14 | 11198025452261 |
15 | 241481216430114 |
16 | 5557135898411469 |
17 | 135927902927547370 |
18 | 3521462566184392693 |
19 | 96323049885512803826 |
[1,2,5,18,93,634,5317,52610,598445,7685706, 109933269,1732565842,29824133437,556682481818, 11198025452261,241481216430114,5557135898411469, 135927902927547370,3521462566184392693, 96323049885512803826] |