OFFSET
1,1
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
EXAMPLE
a(5) = 39 because 3 + 5 + 7 + 11 + 13 = 39.
MATHEMATICA
Accumulate[Union[Flatten[Select[Partition[Prime[Range[100]], 2, 1], #[[2]] - #[[1]]==2&]]]] (* Harvey P. Dale, Apr 29 2012 *)
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Den Roussel (DenRoussel(AT)webtv.net)
EXTENSIONS
More terms from Michael Lugo (mlugo(AT)thelabelguy.com), Dec 22 1999
STATUS
approved