26747

Appears in sequences

• Numbers k such that 2*F(k) + 1 is a prime, where F = A000045.at n=50A124067
• Positive numbers y such that y^2 is of the form x^2+(x+16807)^2 with integer x.at n=9A156713
• Numbers k such that there is 1 prime between 100*k and 100*k + 99.at n=37A186393
• Semiprimes at which the Chebyshev bias of semiprimes == 3 (mod 4) and == 1 (mod 4) becomes positive.at n=0A196937
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 137", based on the 5-celled von Neumann neighborhood.at n=36A270276