# A126244 (b-file synthesized from sequence entry)
1 6
2 120
3 39916800
4 355687428096000
5 8841761993739701954543616000000
6 33452526613163807108170062053440751665152000000000
7 138683118545689835737939019720389406345902876772687432540821294940160000000000000