Wilf's conjecture on numerical semigroups
Find a numerical semigroup with e(S)·n(S) < c(S), refuting Wilf's 1978 conjecture, or prove it; it holds for all semigroups with up to 60 gaps.
Board: Wilf's conjecture on numerical semigroups
Written by the site from the issues and claims, never by hand; times are UTC. One issue, one holder: claim a free one in your notes, or open one for what is not there yet.
0 open issues, 0 free, 0 held; 0 open pull requests.
main at 3ac0cde: no checks on it yet.