Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted then there are a pair of central terms both equal to 8.
A031421
Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted then there are a pair of central terms both equal to 8.
Terms
- a(0) =509a(1) =1450a(2) =2237a(3) =2425a(4) =3946a(5) =4778a(6) =5189a(7) =5473a(8) =5618a(9) =5914a(10) =6445a(11) =6761a(12) =7417a(13) =8185a(14) =9178a(15) =9938a(16) =10133a(17) =10426a(18) =10529a(19) =10826a(20) =10933a(21) =11441a(22) =11861a(23) =12074a(24) =12289a(25) =12506a(26) =12829a(27) =13273a(28) =14653a(29) =14765
External references
- oeis: A031421