The number of points on certain cubic surfaces over a finite field.
The number of points on certain families of hypersurfaces over finite fields
The number of powers of 2 in a representation of large even integers by sums of such powers and of two primes
The number of powers of 2 in a representation of large even integers by sums of such powers and of two primes (II)
The number of powers of 2 in a representation of large odd integers
The number of prime factors of binomial coefficients
The number of primes in a short interval.
The number of real quadratic fields having units of negative norm.
The number of relatively prime subsets and phi functions for .
The number of relatively prime subsets of .
The number of representations by sums of squares and triangular numbers.
The number of restricted solutions of some systems of linear congruences
The number of S₄-fields with given discriminant
The number of solutions of a homogeneous linear congruence
The number of solutions of a special quadratic congruence
The number of solutions of certain equations over a finite field
The number of solutions of decomposable form equations.
The number of solutions of linear equations in roots of unity
The number of solutions of the Mordell equation
The number of solutions of the Thue-Mahler equation.