3802499

Appears in sequences

• Product of twin primes of form (4*k+1,4*k+3), k>0.at n=29A071697
• Semiprimes which are equal to product of two successive primes and also to sum of three successive primes.at n=21A133126
• a(n) = 18*a(n-1) - 79*a(n-2) for n > 1; a(0) = 1, a(1) = 17.at n=6A164600