832427domain: NPropertiesPrimalityPrimeyesAppears in sequencesRow sums of the inverse of the triangle A(n,k) = 1/F(n+1) if k <= n <= 2k, 0 otherwise.at n=31A127712A bisection of the row sums of the inverse of the triangle A(n,k) = 1/F(n+1) if k <= n <= 2k, 0 otherwise.at n=15A127713Prime numbersat n=66348