cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A146361 Primes p such that continued fraction of (1 + sqrt(p))/2 has period 16 : primes in A146339.

This page as a plain text file.
%I A146361 #13 Apr 12 2025 16:10:55
%S A146361 191,311,431,647,1319,1487,2351,5527,9431,19087,21143,24359,27239,
%T A146361 29207,32183,34367,36791,38711,41759,42071,43063,43319,49367,58271,
%U A146361 58391,59399,62327,65183,66239,77543,82759,84263,87407,90271,93967,94463,97127,100703,101063
%N A146361 Primes p such that continued fraction of (1 + sqrt(p))/2 has period 16 : primes in A146339.
%H A146361 Amiram Eldar, <a href="/A146361/b146361.txt">Table of n, a(n) for n = 1..1000</a>
%t A146361 Select[Range[2*10^4], PrimeQ[#] && Length[ContinuedFraction[(1+Sqrt[#])/2][[2]]] == 16 &] (* _Amiram Eldar_, Mar 30 2020 *)
%t A146361 Select[Prime[Range[10000]],Length[ContinuedFraction[(1+Sqrt[#])/2][[2]]]==16&] (* _Harvey P. Dale_, Apr 12 2025 *)
%Y A146361 Cf. A000290, A050950-A050969, A078370, A146326-A146345, A146348-A146360.
%K A146361 nonn
%O A146361 1,1
%A A146361 _Artur Jasinski_, Oct 30 2008
%E A146361 3391 removed - _R. J. Mathar_, Sep 06 2009
%E A146361 More terms from _Amiram Eldar_, Mar 30 2020