# A085532 (b-file synthesized from sequence entry)
0 0
1 4
2 64
3 1296
4 32768
5 1000000
6 35831808
7 1475789056
8 68719476736
9 3570467226624
10 204800000000000
11 12855002631049216
12 876488338465357824
13 64509974703297150976
14 5097655355238390956032
15 430467210000000000000000
16 38685626227668133590597632