Period of continued fraction for square root of n-th squarefree integer.

Terms

a(0) =1a(1) =2a(2) =1a(3) =2a(4) =4a(5) =1a(6) =2a(7) =5a(8) =4a(9) =2a(10) =1a(11) =6a(12) =6a(13) =6a(14) =4a(15) =1a(16) =5a(17) =2a(18) =8a(19) =4a(20) =4a(21) =2a(22) =1a(23) =2a(24) =2a(25) =3a(26) =2a(27) =10a(28) =12a(29) =4