n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 1 |
4 | 5 |
5 | 22 |
6 | 96 |
7 | 419 |
8 | 1829 |
9 | 7984 |
10 | 34852 |
11 | 152137 |
12 | 664113 |
13 | 2899006 |
14 | 12654828 |
15 | 55241235 |
16 | 241140697 |
17 | 1052634608 |
18 | 4594992184 |
19 | 20058197793 |
20 | 87558647021 |
21 | 382213633910 |
22 | 1668450426280 |
23 | 7283169876691 |
24 | 31792711738525 |
25 | 138782499488832 |
26 | 605817532105276 |
[1,0,0,1,5,22,96,419,1829,7984,34852,152137, 664113,2899006,12654828,55241235,241140697, 1052634608,4594992184,20058197793,87558647021, 382213633910,1668450426280,7283169876691, 31792711738525,138782499488832,605817532105276] |