Number of permutations of order n such that no proper partial sum is zero modulo n.
A232663
Number of permutations of order n such that no proper partial sum is zero modulo n.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =12a(4) =48a(5) =280a(6) =2040a(7) =16632a(8) =139440a(9) =1404864a(10) =15405120a(11) =185361792a(12) =2380777344a(13) =33252800256a(14) =495338598144
External references
- oeis: A232663