OFFSET
1,1
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
EXAMPLE
337 = 101010001 base 2, reverse the sequence of ones and zeros: 100010101 base 2 = 277. 337, 733 and 277 are all prime.
MATHEMATICA
Select[Prime[Range[300]], AllTrue[{IntegerReverse[#], FromDigits[ Reverse[ IntegerDigits[ #, 2]], 2]}, PrimeQ]&] (* Harvey P. Dale, Nov 11 2021 *)
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Harry J. Smith, Dec 19 2007
STATUS
approved