A361439 The number of generators for the monoid of basic log-concave (with no internal zeros) cyclotomic generating functions of degree n.

1, 1, 1, 1, 1, 2, 2, 4, 4, 7, 8, 18, 19, 37, 42, 66, 87, 132, 157, 252

Offset: 1

Author

Sara Billey, Mar 12 2023

Keywords

• nonn
• more

Comments

A cyclotomic generating function is a polynomial with nonnegative integer coefficients that is a product of cyclotomic polynomials, or equivalently a rational expression in q-integers.

References

• Sara Billey and J. Swanson, Cyclotomic Generating Functions, manuscript.