n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 1 |
5 | 10 |
6 | 71 |
7 | 448 |
8 | 2710 |
9 | 16285 |
10 | 99179 |
11 | 619784 |
12 | 4005585 |
13 | 26901537 |
14 | 188224882 |
15 | 1373263700 |
16 | 10444784477 |
17 | 82735225014 |
18 | 681599167459 |
19 | 5830974941867 |
20 | 51717594114952 |
21 | 474845349889731 |
22 | 4506624255883683 |
23 | 44151662795470696 |
24 | 445957579390657965 |
[0,0,0,0,1,10,71,448,2710,16285,99179,619784, 4005585,26901537,188224882,1373263700,10444784477, 82735225014,681599167459,5830974941867, 51717594114952,474845349889731,4506624255883683, 44151662795470696,445957579390657965] |