n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 30 |
3 | 361 |
4 | 4887 |
5 | 71064 |
6 | 1084338 |
7 | 17127921 |
8 | 277691055 |
9 | 4594624095 |
10 | 77271742056 |
11 | 1317037554924 |
12 | 22699836814548 |
13 | 394961294853852 |
14 | 6928051002350154 |
15 | 122384261274499665 |
16 | 2175295243858562031 |
17 | 38875484049230706129 |
18 | 698131263508514451678 |
[1,3,30,361,4887,71064,1084338,17127921,277691055, 4594624095,77271742056,1317037554924, 22699836814548,394961294853852,6928051002350154, 122384261274499665,2175295243858562031, 38875484049230706129,698131263508514451678] |