n | a(n) |
---|---|
-2 | 1 |
-1 | 0 |
0 | 1 |
1 | 1 |
2 | 8 |
3 | 9 |
4 | 17 |
5 | 26 |
6 | 43 |
7 | 69 |
8 | 388 |
9 | 457 |
10 | 845 |
11 | 8062 |
12 | 33093 |
13 | 438271 |
14 | 1786177 |
15 | 2224448 |
16 | 6235073 |
17 | 170571419 |
18 | 176806492 |
19 | 5121153195 |
20 | 5297959687 |
21 | 15717072569 |
22 | 36732104825 |
23 | 125913387044 |
24 | 288558878913 |
25 | 2145825539435 |
26 | 2434384418348 |
[1,0,1,1,8,9,17,26,43,69,388,457,845,8062,33093, 438271,1786177,2224448,6235073,170571419, 176806492,5121153195,5297959687,15717072569, 36732104825,125913387044,288558878913, 2145825539435,2434384418348] |