OFFSET
1,2
COMMENTS
Starts with the same numbers as A053096.
FORMULA
A001223(1+a(n)) = 2.
a(n) = A029707(n)-1. - R. J. Mathar, Feb 23 2009
MATHEMATICA
Flatten[Position[Differences[Prime[Range[400]]], 2]]-1 (* Harvey P. Dale, Jun 21 2017 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Paul Curtz, Jan 26 2009
EXTENSIONS
Edited and extended by R. J. Mathar, Feb 23 2009
STATUS
approved