n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 7 |
3 | 23 |
4 | 51 |
5 | 201 |
6 | 442 |
7 | 1663 |
8 | 4156 |
9 | 15083 |
10 | 35564 |
11 | 139961 |
12 | 329694 |
13 | 1244834 |
14 | 3162552 |
15 | 11494207 |
16 | 28340038 |
17 | 108476634 |
18 | 266695553 |
19 | 992977283 |
20 | 2544862201 |
21 | 9319498334 |
22 | 23550935216 |
23 | 87424092169 |
24 | 222620040051 |
25 | 819109845024 |
[1,3,7,23,51,201,442,1663,4156,15083,35564,139961, 329694,1244834,3162552,11494207,28340038, 108476634,266695553,992977283,2544862201, 9319498334,23550935216,87424092169,222620040051, 819109845024] |