Number of primitive polynomials of degree n over GF(5).

Terms

a(0) =1a(1) =2a(2) =4a(3) =20a(4) =48a(5) =280a(6) =720a(7) =5580a(8) =14976a(9) =99360a(10) =291200a(11) =2219460a(12) =5184000a(13) =46950120a(14) =139991040a(15) =876960000a(16) =2752708608a(17) =22384531584a(18) =55435726080a(19) =499226178000