Alternating factorials: 0! - 1! + 2! - ... + (-1)^n n!
A058006
Alternating factorials: 0! - 1! + 2! - ... + (-1)^n n!
Terms
- a(0) =1a(1) =0a(2) =2a(3) =-4a(4) =20a(5) =-100a(6) =620a(7) =-4420a(8) =35900a(9) =-326980a(10) =3301820a(11) =-36614980a(12) =442386620a(13) =-5784634180a(14) =81393657020
External references
- oeis: A058006