OFFSET
1,1
COMMENTS
The sequence contain all squares of greater of twin primes.
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000
MATHEMATICA
Select[4#+5&/@Prime[Range[900]], IntegerQ[Sqrt[#]]&] (* Harvey P. Dale, Jan 29 2011 *)
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Giovanni Teofilatto, Sep 03 2005
EXTENSIONS
Corrected and extended by Ray Chandler, Sep 04 2005
STATUS
approved