57993

Appears in sequences

• Divide primes in groups with 2n+1 elements and add together.at n=16A109725
• Number of walks within N^2 (the first quadrant of Z^2) starting at (0,0) and consisting of n steps taken from {(-1, 0), (0, -1), (0, 1), (1, 1)}.at n=9A151290
• Least k such that k*30^n-1 , k*30^n+1, and 2*k*30^n-1 are prime; that is, twin primes and a Sophie Germain prime.at n=35A212956