a(n) = n! mod !n.

Terms

a(0) =0a(1) =0a(2) =6a(3) =32a(4) =190a(5) =1332a(6) =10654a(7) =95888a(8) =958878a(9) =10547660a(10) =126571918a(11) =1645434936a(12) =23036089102a(13) =345541336532