A146354 Primes p such that continued fraction of (1 + sqrt(p))/2 has period 9: primes in A143577.

73, 97, 233, 277, 349, 353, 613, 821, 877, 1181, 1277, 1613, 1637, 1693, 2357, 2777, 3557, 3989, 4157, 4517, 4889, 4933, 5261, 6113, 7213, 9133, 9181, 9749, 10313, 10909, 11057, 11213, 11257, 12161, 12301, 13033, 16217, 16741, 17989, 19469

Offset

1,1

Links

Amiram Eldar, Table of n, a(n) for n = 1..2000

Mathematica

Select[Prime[Range[2300]], Length[ContinuedFraction[(1+Sqrt[#])/2][[2]]] == 9&] (* Harvey P. Dale, Aug 22 2011 *)

Crossrefs

Cf. A000290, A050950-A050969, A078370, A146326-A146345, A146348-A146360.

Sequence in context: A141375 A140621 A143577 * A050958 A139990 A327714

Adjacent sequences: A146351 A146352 A146353 * A146355 A146356 A146357

Keyword

nonn

Author

Artur Jasinski, Oct 30 2008

Extensions

A-number in definition corrected. 1613 and 4933 inserted, 9421 deleted, extended beyond 9749 by R. J. Mathar, Nov 09 2008

Status

approved