# A069045 (b-file synthesized from sequence entry)
1 1
2 8
3 216
4 1728
5 216000
6 648000
7 222264000
8 1778112000
9 16003008000
10 16003008000
11 21300003648000
12 21300003648000
13 46796108014656000
14 46796108014656000
15 46796108014656000
16 374368864117248000