OFFSET
1,1
COMMENTS
Another definition: numbers having only digits 1 and 0 which, read in base 10, are primes, and in base 2 are squares. Derived from A108322 from which the 0-terms have been removed.
MATHEMATICA
fd2[n_]:=FromDigits[IntegerDigits[n, 2]]; fd2/@Select[Range[300]^2, PrimeQ[fd2[#]]&](* Harvey P. Dale, Jul 10 2012 *)
CROSSREFS
KEYWORD
easy,nonn,base
AUTHOR
Alexandre Wajnberg, Jun 30 2005
EXTENSIONS
More terms from Harvey P. Dale, Jul 10 2012
STATUS
approved