65573

Appears in sequences

• Numbers k such that 61*2^k-1 is prime.at n=35A050556
• Magic sums of 3 X 3 semimagic squares composed of consecutive primes.at n=0A268912
• Smallest magic sum for any n X n semimagic square made from consecutive primes, or 0 if no such magic square exists.at n=2A270829
• Expansion of Product_{k>0} (1 - 2*k*x^(2*k))/(1 + (2*k-1)*x^(2*k-1)).at n=35A319860