# A268432 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 60
4 56
5 15120
6 15840
7 8648640
8 17297280
9 8821612800
10 10158220800
11 14079294028800
12 474467051520
13 32382376266240000
14 582882772792320000
15 101421602465863680000
16 24659370011308032000
17 415017197290314178560000
18 72810034612335820800000
19 2149789081963827444940800000