19327

Appears in sequences

• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 13 ones.at n=35A031781
• Eighth column (k=7) of sextinomial array A063260.at n=9A063262
• Number of 6k+5 primes (A007528) in range [2^n,2^(n+1)].at n=18A095016
• Smallest k<3*2^n such that 3*2^n+k is the smallest of four consecutive primes in arithmetic progression or 0 if no solution.at n=22A230852
• G.f.: Product_{k>=1} (1 + x^(k*(k+1))) / (1 - x^k).at n=32A280423