n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 14 |
4 | 81 |
5 | 596 |
6 | 5283 |
7 | 54424 |
8 | 641281 |
9 | 8502736 |
10 | 125240163 |
11 | 2029253984 |
12 | 35869368081 |
13 | 686861235776 |
14 | 14164446354243 |
15 | 312963554690944 |
16 | 7375924232388481 |
17 | 184700508637993216 |
18 | 4897149234545267523 |
19 | 137056511022745378304 |
20 | 4037684687434825670481 |
[1,1,3,14,81,596,5283,54424,641281,8502736, 125240163,2029253984,35869368081,686861235776, 14164446354243,312963554690944,7375924232388481, 184700508637993216,4897149234545267523, 137056511022745378304,4037684687434825670481] |