# A163191 (b-file synthesized from sequence entry)
0 1
1 0
2 1
3 8
4 82
5 1024
6 15690
7 279936
8 5771363
9 134218240
10 3487832978
11 100000000000
12 3138673052884
13 106993205379072
14 3937454749863386
15 155568096631586816
16 6568441588686506948
17 295147905179352825856
18 14063102470280932000763
19 708235345355337676357632