Sum of terms in period of continued fraction for square root of the n-th nonsquare.

Terms

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