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 70.
A031658
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 70.
Terms
- a(0) =1226a(1) =61553a(2) =99937a(3) =100570a(4) =101842a(5) =150665a(6) =209933a(7) =276901a(8) =356698a(9) =360289a(10) =362693a(11) =363898a(12) =443917a(13) =446585a(14) =449261a(15) =454637a(16) =651778a(17) =659873a(18) =661498a(19) =664754a(20) =768001a(21) =769754a(22) =771509a(23) =773266a(24) =778549a(25) =780314a(26) =782081a(27) =1037165a(28) =1041241a(29) =1045325
External references
- oeis: A031658