The least nonsquare number s having exactly n twos in the periodic part of the continued fraction of sqrt(s).

A206582

The least nonsquare number s having exactly n twos in the periodic part of the continued fraction of sqrt(s).

Terms

    a(0) =5a(1) =2a(2) =19a(3) =45a(4) =71a(5) =153a(6) =199a(7) =589a(8) =301a(9) =989a(10) =526a(11) =1711a(12) =739a(13) =1633a(14) =631a(15) =3886a(16) =1324a(17) =4897a(18) =2524a(19) =7021a(20) =2374a(21) =4189a(22) =2311a(23) =10033a(24) =3571a(25) =3901a(26) =2326a(27) =8869a(28) =4789a(29) =10873

External references