# A071097 (b-file synthesized from sequence entry)
2 2
3 8
4 160
5 4608
6 393216
7 37748736
8 11022630912
9 5315022028800
10 6333186975989760
11 10808639105689190400
12 48595641419178600038400
13 381803330140010815527321600
14 6932464219998129539435095654400