32163

Appears in sequences

• Numbers n such that 69*2^n-1 is prime.at n=48A050560
• Number of alternating full cycles on n letters.at n=10A137590
• a(n) = ( A000111(p) -(-1)^((p-1)/2) )/p, where p = prime(n).at n=3A180418
• Irregular triangle of n-primes p such that the number of even n-primes (<= p) equals the number of odd n-primes (<= p).at n=5A227069