# A091034 (b-file synthesized from sequence entry)
3 1
4 280
5 70560
6 19958400
7 6659452800
8 2644408166400
9 1244905998336000
10 689322235650048000
11 444916954745303040000
12 331767548149023866880000
13 283424276847308960563200000
14 275246422218908346286080000000