n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 12 |
3 | 128 |
4 | 1952 |
5 | 38464 |
6 | 926336 |
7 | 26323968 |
8 | 861419520 |
9 | 31882358784 |
10 | 1316275003392 |
11 | 59954841649152 |
12 | 2985997926727680 |
13 | 161401148097036288 |
14 | 9408988894966579200 |
15 | 588381964243109412864 |
16 | 39285329204482179858432 |
17 | 2789234068575581984784384 |
[1,2,12,128,1952,38464,926336,26323968,861419520, 31882358784,1316275003392,59954841649152, 2985997926727680,161401148097036288, 9408988894966579200,588381964243109412864, 39285329204482179858432,2789234068575581984784384] |