n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 6 |
3 | 26 |
4 | 154 |
5 | 1182 |
6 | 11254 |
7 | 128522 |
8 | 1715802 |
9 | 26251118 |
10 | 453132214 |
11 | 8714516538 |
12 | 184817376154 |
13 | 4285657717694 |
14 | 107880712446966 |
15 | 2929921866938858 |
16 | 85399256991014746 |
17 | 2659096654189212558 |
18 | 88091786616208073398 |
[1,2,6,26,154,1182,11254,128522,1715802,26251118, 453132214,8714516538,184817376154,4285657717694, 107880712446966,2929921866938858, 85399256991014746,2659096654189212558, 88091786616208073398] |