n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 10 |
4 | 44 |
5 | 510 |
6 | 5224 |
7 | 141884 |
8 | 3412572 |
9 | 218142282 |
10 | 12364138164 |
11 | 1864646386404 |
12 | 249526282773960 |
13 | 88904892606631308 |
14 | 28120381445675195736 |
15 | 23690799052839367018340 |
[1,2,10,44,510,5224,141884,3412572,218142282, 12364138164,1864646386404,249526282773960, 88904892606631308,28120381445675195736, 23690799052839367018340] |