Number of cyclotomic cosets of 13 mod 10^n.

Terms

a(0) =4a(1) =12a(2) =30a(3) =72a(4) =130a(5) =204a(6) =294a(7) =400a(8) =522a(9) =660a(10) =814a(11) =984a(12) =1170a(13) =1372a(14) =1590a(15) =1824a(16) =2074a(17) =2340a(18) =2622a(19) =2920a(20) =3234a(21) =3564a(22) =3910a(23) =4272a(24) =4650a(25) =5044a(26) =5454a(27) =5880a(28) =6322a(29) =6780