n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 1 |
4 | 0 |
5 | 3 |
6 | 5 |
7 | 0 |
8 | 23 |
9 | 52 |
10 | 0 |
11 | 254 |
12 | 593 |
13 | 0 |
14 | 3611 |
15 | 8859 |
16 | 0 |
17 | 55554 |
18 | 142169 |
19 | 0 |
20 | 946871 |
21 | 2466282 |
22 | 0 |
23 | 17095813 |
24 | 45359632 |
25 | 0 |
26 | 323760077 |
27 | 870624976 |
28 | 0 |
29 | 6367406592 |
30 | 17307580710 |
31 | 0 |
32 | 129063054631 |
33 | 353941332518 |
34 | 0 |
35 | 2682355470491 |
36 | 7410591325928 |
37 | 0 |
38 | 56930627178287 |
[0,0,1,0,3,5,0,23,52,0,254,593,0,3611,8859,0, 55554,142169,0,946871,2466282,0,17095813,45359632, 0,323760077,870624976,0,6367406592,17307580710,0, 129063054631,353941332518,0,2682355470491, 7410591325928,0,56930627178287] |