2684354557

Appears in sequences

• Smallest prime obtained as a sum of n terms of a geometric progression + the common ratio, or 0 if no such terms exists. Smallest prime of the form (a +ar +ar^2 + ar^3 +... ) + r.at n=28A088121
• Expansion of (1 - x + 3*x^2)/((1-x)*(1-2*x)).at n=30A154117
• Primes in the chain of repeated application of x->2*x+3, starting at x=2.at n=11A172156
• Primes in A154117.at n=12A173769
• Least prime p such that q = (3+p)/2^n is prime.at n=29A248526