n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 11 |
4 | 27 |
5 | 61 |
6 | 809 |
7 | 13945 |
8 | 268027 |
9 | 565447 |
10 | 2358365 |
11 | 73551683 |
12 | 2734683311 |
13 | 112599773191 |
14 | 4860900544813 |
15 | 9968041656757 |
16 | 40762420985117 |
17 | 83151858555707 |
18 | 5085105491885327 |
19 | 341472595155548909 |
20 | 24295409051193284539 |
21 | 1777124696397561611347 |
[1,2,11,27,61,809,13945,268027,565447,2358365, 73551683,2734683311,112599773191,4860900544813, 9968041656757,40762420985117,83151858555707, 5085105491885327,341472595155548909, 24295409051193284539,1777124696397561611347] |