n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 21 |
6 | 31 |
7 | 113 |
8 | 169 |
9 | 8053 |
10 | 15871 |
11 | 71325 |
12 | 300147 |
13 | 816401 |
14 | 63105953 |
15 | 161203747 |
16 | 856049593 |
17 | 4050514725 |
18 | 25570388671 |
19 | 80377109117 |
20 | 12126315199099 |
21 | 36747628912981 |
22 | 233849676829957 |
23 | 1239662165799711 |
24 | 8321234529548651 |
25 | 59953576690379081 |
[1,0,1,1,1,21,31,113,169,8053,15871,71325,300147, 816401,63105953,161203747,856049593,4050514725, 25570388671,80377109117,12126315199099, 36747628912981,233849676829957,1239662165799711, 8321234529548651,59953576690379081] |