1,1

16*m^2 + m for m >= 1 are terms of this sequence (see comment in A031742). The first term that is not of this form is a(11) = 1690. - Chai Wah Wu, Jun 19 2016

Charles R Greathouse IV, Table of n, a(n) for n = 1..10000 (first 200 from Vincenzo Librandi)

Select[Range[20000], !IntegerQ[Sqrt[#]] && Min[ContinuedFraction[Sqrt[#]][[2]]] == 8&] (* Vincenzo Librandi, Feb 07 2012 *)

Sequence in context: A044536 A115295 A065011 * A157474 A024215 A095071

Adjacent sequences: A031429 A031430 A031431 * A031433 A031434 A031435

nonn

David W. Wilson

approved