# A126154 (b-file synthesized from sequence entry)
0 1
1 10
2 420
3 38760
4 6274320
5 1574566560
6 566087814720
7 276000683679360
8 175277074975269120
9 140576092830146972160
10 138951226585459200107520
11 165951785120565606919464960
12 235593066998837613695124049920