OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
FORMULA
a(n+1)-a(n) = A039703(n+4).
MATHEMATICA
a = Table[Sum[Mod[Prime[i + 3], 5], {i, 1, n}], {n, 1, 200}]
Accumulate[Mod[#, 5]&/@Prime[Range[4, 70]]] (* Harvey P. Dale, May 31 2014 *)
CROSSREFS
KEYWORD
nonn,less,easy
AUTHOR
Roger L. Bagula, Mar 23 2005
STATUS
approved