19953

Appears in sequences

• Smallest number whose tenth power has at least n digits.at n=43A130084
• G.f. A(x) = Product_{n>=1} 1/(1 - 3^(n^2)*x^n).at n=3A209495
• G.f. A(x,y) satisfies: A(x,y) = x + A( x^2 + x*y*A(x,y)^2, y).at n=84A271868
• a(n) = (2*prime(n)^2 + 1)/3.at n=37A286679
• Let f(1) = 1 + i (where i denotes the imaginary unit) and for n > 0, f(n+1) is the Gaussian prime in the first quadrant (with positive real part and nonnegative imaginary part) with least modulus that divides 1 + Product_{k=1..n} f(k) (in case of a tie minimize the imaginary part); a(n) is the real part of f(n).at n=7A320103
• Number of regions formed inside a right triangle by the straight line segments mutually connecting all vertices and points on the two shorter edges whose positions equal the Farey series of order n.at n=6A359969
• Expansion of g.f. A(x) satisfying A(x) = A( x*A(x)^2 + 3*x*A(x)^3 )^(1/3).at n=7A370439