OFFSET
1,1
COMMENTS
Case q=19 of a(n,q) = Sum_{i=1..n} (prime(i+3) mod q).
FORMULA
a(n+1)-a(n) = A033633(n+4).
MATHEMATICA
a = Table[Sum[Mod[Prime[i + 3], 19], {i, 1, n}], {n, 1, 200}]
CROSSREFS
KEYWORD
nonn,easy,less
AUTHOR
Roger L. Bagula, Mar 23 2005
STATUS
approved