OFFSET
1,1
COMMENTS
The numbers 62234 and 199370 are in this sequence and also in A362419. - Zak Seidov and Robert Israel, Apr 10 2023
LINKS
Paolo Xausa, Table of n, a(n) for n = 1..10000
FORMULA
a(n) = Sum_{i=1..n} A046315(i).
MAPLE
MATHEMATICA
Accumulate[Select[Range[1, 250, 2], PrimeOmega[#] == 2 &]] (* Paolo Xausa, Mar 19 2024 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
R. J. Mathar, Apr 19 2023
STATUS
approved