n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 2 |
3 | 4 |
4 | 15 |
5 | 118 |
6 | 3536 |
7 | 834481 |
8 | 5901449514 |
9 | 9849294983780932 |
10 | 116250234190553238066899615 |
11 | 2289965696952749203147232235388377288832846 |
12 | 532418097118181120851300401934424857560888078403591714456723409727648 |
[0,1,2,4,15,118,3536,834481,5901449514, 9849294983780932,116250234190553238066899615, 2289965696952749203147232235388377288832846, 53241809711818112085130040193442485756088807840359\ 1714456723409727648] |