70028

Appears in sequences

• Numbers k such that L(2*k + 1) is prime, where L(m) is a Lucas number.at n=41A117522
• Least k such that k^3 + q is divisible by 3^n where q is the n-th number congruent to 1 or -1 (mod 18).at n=12A251731
• Values of k such that L(k)*L(k+1)-1 is a prime, where L(k) is the k-th Lucas number (A000032).at n=29A271430