Number of 2 X 2 matrices over Z_n whose permanent equals their determinant.

Terms

a(0) =1a(1) =16a(2) =45a(3) =192a(4) =225a(5) =720a(6) =637a(7) =2048a(8) =1701a(9) =3600a(10) =2541a(11) =8640a(12) =4225a(13) =10192a(14) =10125a(15) =20480a(16) =9537a(17) =27216a(18) =13357a(19) =43200a(20) =28665a(21) =40656a(22) =23805a(23) =92160a(24) =40625a(25) =67600a(26) =59049a(27) =122304a(28) =47937a(29) =162000