OFFSET
1,1
COMMENTS
Sum_{i=k..k+69} prime(i) = s^2; and the values of s are A166256.
LINKS
David A. Corneth, Table of n, a(n) for n = 1..693 (first 100 terms from Zak Seidov)
EXAMPLE
MATHEMATICA
PrimePi[First[#]]&/@Select[Partition[Prime[Range[1000000]], 70, 1], IntegerQ[ Sqrt[ Total[#]]]&] (* Harvey P. Dale, Jun 13 2011 *)
CROSSREFS
KEYWORD
nonn,less
AUTHOR
Zak Seidov, Oct 10 2009
STATUS
approved