Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 75.
A031663
Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 75.
Terms
- a(0) =69218a(1) =114325a(2) =116362a(3) =171517a(4) =173177a(5) =238313a(6) =242233a(7) =317194a(8) =320581a(9) =322849a(10) =409889a(11) =510157a(12) =513017a(13) =515885a(14) =518761a(15) =621385a(16) =624541a(17) =634057a(18) =748754a(19) =757429a(20) =760913a(21) =762658a(22) =882346a(23) =886106a(24) =887989a(25) =895541a(26) =1037053a(27) =1184585
External references
- oeis: A031663