OFFSET
0,1
LINKS
FORMULA
a(n) = A031936(n)+18.
MATHEMATICA
Transpose[Select[Partition[Prime[Range[1300]], 2, 1], Last[#]-First[#] == 18&]][[2]] (* Harvey P. Dale, Oct 06 2011 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved