n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 9 |
3 | 38 |
4 | 185 |
5 | 922 |
6 | 4689 |
7 | 23998 |
8 | 123217 |
9 | 633458 |
10 | 3258489 |
11 | 16765718 |
12 | 86273225 |
13 | 443967370 |
14 | 2284733313 |
15 | 11757749038 |
16 | 60508271137 |
17 | 311391065570 |
18 | 1602499602537 |
19 | 8246883961094 |
20 | 42440638964825 |
21 | 218410733951098 |
22 | 1123999345270833 |
23 | 5784397706237854 |
[1,2,9,38,185,922,4689,23998,123217,633458, 3258489,16765718,86273225,443967370,2284733313, 11757749038,60508271137,311391065570, 1602499602537,8246883961094,42440638964825, 218410733951098,1123999345270833,5784397706237854] |