OFFSET
1,1
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
EXAMPLE
A000040(12)=37 -> '100101' therefore 37 is a term.
MATHEMATICA
Select[Prime[Range[200]], Take[IntegerDigits[#, 2], 2]=={1, 0}&&Take[ IntegerDigits[#, 2], -2]=={0, 1}&] (* Harvey P. Dale, May 10 2015 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Reinhard Zumkeller, Feb 04 2003
STATUS
approved