# A069015 (b-file synthesized from sequence entry)
1 1
2 7
3 65
4 786
5 11814
6 212772
7 4468932
8 107259408
9 2896044336
10 86881692960
11 2867099496480
12 103215621790080
13 4025409728814720
14 169067214837239040
15 7608024754854048000
16 365185189540668672000
17 18624444687496892160000