n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 2 |
4 | 15 |
5 | 92 |
6 | 835 |
7 | 8322 |
8 | 99169 |
9 | 1325960 |
10 | 19966329 |
11 | 332259290 |
12 | 6070777999 |
13 | 120694673748 |
14 | 2594992240555 |
15 | 59986047422378 |
16 | 1483663965460545 |
17 | 39095051587497488 |
18 | 1093394763005554801 |
19 | 32347902448449172530 |
20 | 1009325655965539561231 |
21 | 33125674098690460236620 |
[1,0,1,2,15,92,835,8322,99169,1325960,19966329, 332259290,6070777999,120694673748,2594992240555, 59986047422378,1483663965460545,39095051587497488, 1093394763005554801,32347902448449172530, 1009325655965539561231,33125674098690460236620] |