A361440 The number of generators for the monoid of basic unimodal cyclotomic generating functions of degree n.

1, 1, 1, 2, 2, 3, 4, 7, 10, 9, 15, 28, 30, 34, 66, 82, 125, 126, 222, 294

Offset

1,4

Comments

A basic 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.

Links

Table of n, a(n) for n=1..20.

Crossrefs

Sequence in context: A322299 A003179 A153934 * A143590 A336030 A245620

Adjacent sequences: A361437 A361438 A361439 * A361441 A361442 A361443

Keyword

nonn,more

Author

Sara Billey, Mar 12 2023

Status

approved