# A144346 (b-file synthesized from sequence entry)
0 1
1 12
2 160
3 2520
4 46480
5 987840
6 23826880
7 643843200
8 19280060800
9 634002969600
10 22718375680000
11 881259515136000
12 36796205974528000
13 1645615697037312000
14 78486991029551104000
15 3976930001842237440000
16 213353732165508014080000
17 12081783988797659136000000