344453

Properties

Appears in sequences

• A simple grammar: pairs of cycles of sequences.at n=20A052821
• Primes which when added to their reversals are squares.at n=22A059799
• Primes having only {3, 4, 5} as digits.at n=40A199345
• Emirps p such that p plus its decimal reversal is a perfect square.at n=4A227780
• a(n) is the least prime of the form (3^r*5^s*7^t + 1)/2, r, s, t > 0, r + s + t = n.at n=8A337428
• a(n) = 3*a(n-1) + 2*3^n - 1, a(0) = 0.at n=9A392084
• Prime numbersat n=29539