n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 8 |
3 | 145 |
4 | 505 |
5 | 9728 |
6 | 187561 |
7 | 654841 |
8 | 12626288 |
9 | 243453385 |
10 | 849982465 |
11 | 16388911448 |
12 | 316002305521 |
13 | 1103276584081 |
14 | 21272794432568 |
15 | 410170749112225 |
16 | 1432052156154025 |
17 | 27612070784561168 |
18 | 532401316345361881 |
19 | 1858802595411339721 |
20 | 35840446605565962848 |
[0,1,8,145,505,9728,187561,654841,12626288, 243453385,849982465,16388911448,316002305521, 1103276584081,21272794432568,410170749112225, 1432052156154025,27612070784561168, 532401316345361881,1858802595411339721, 35840446605565962848] |