n | a(n) |
---|---|
1 | 1 |
2 | 17 |
3 | 144 |
4 | 920 |
5 | 5191 |
6 | 27651 |
7 | 143342 |
8 | 733512 |
9 | 3730303 |
10 | 18914231 |
11 | 95766768 |
12 | 484557538 |
13 | 2450951157 |
14 | 12395284963 |
15 | 62682479764 |
16 | 316971668262 |
17 | 1602829696167 |
18 | 8104958759329 |
19 | 40983832221302 |
20 | 207239970377650 |
21 | 1047934399198859 |
[1,17,144,920,5191,27651,143342,733512,3730303, 18914231,95766768,484557538,2450951157, 12395284963,62682479764,316971668262, 1602829696167,8104958759329,40983832221302, 207239970377650,1047934399198859] |