n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 11 |
4 | 72 |
5 | 473 |
6 | 3727 |
7 | 39646 |
8 | 412679 |
9 | 4765654 |
10 | 61015451 |
11 | 937386045 |
12 | 14126033578 |
13 | 227901084348 |
14 | 3941375013541 |
15 | 72677938745613 |
16 | 1517730017193292 |
17 | 31249446089387086 |
18 | 675658943143264102 |
19 | 15356377683044270187 |
[1,1,3,11,72,473,3727,39646,412679,4765654, 61015451,937386045,14126033578,227901084348, 3941375013541,72677938745613,1517730017193292, 31249446089387086,675658943143264102, 15356377683044270187] |