# A139096 (b-file synthesized from sequence entry)
1 4
2 24
3 480
4 8064
5 33546240
6 8589803520
7 137438429184
8 2305843007066210304
9 2658455991569831743501771111346995200
10 191561942608236107294793377774818628309652252823388160