# A160857 (b-file synthesized from sequence entry)
1 1
2 6
3 1200
4 22226400
5 10041430291200000
6 1113268229944758372925440000
7 591370140954797288796906892185462374400000000
8 21844691101536229507290449088090992624418999145391456256000000000