Number-theoretical, combinatorial and integer functions
For factorial-type functions, including binomial coefficients,
double factorials, etc., see the separate section of the documentation.
Fibonacci numbers
fibonacci()/fib()
Bernoulli numbers and polynomials
bernoulli()
bernfrac()
bernpoly()
Bell numbers and polynomials
bell()
Prime counting functions
primepi()
primepi2()
riemannr()
Cyclotomic polynomials
cyclotomic()