Logarithms (cf. A179989) f:{1,...,n}->Z/nZ such that either (i) n is odd or (ii) n is even and f(m) is even whenever m divides n/2.

A179990

Logarithms (cf. A179989) f:{1,...,n}->Z/nZ such that either (i) n is odd or (ii) n is even and f(m) is even whenever m divides n/2.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =0a(4) =8a(5) =2a(6) =36a(7) =16a(8) =24a(9) =8a(10) =140a(11) =0a(12) =936a(13) =312a(14) =416a(15) =96a(16) =3648a(17) =576a(18) =30240a(19) =4608a(20) =9792a(21) =3360a(22) =103488a(23) =10368a(24) =72960a(25) =13752a(26) =22896a(27) =1296a(28) =134400a(29) =23424

External references