OFFSET
1,1
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..500 (terms 1..75 from Vincenzo Librandi)
MATHEMATICA
Select[Prime[Range[100]], ! IntegerQ[Sqrt[# - 1]] && 3 == Length[ContinuedFraction[(1 + Sqrt[#])/2][[2]]] &]
CROSSREFS
KEYWORD
nonn
AUTHOR
Artur Jasinski, Mar 21 2011
STATUS
approved