2 problems

Fenn–Rourke's conjecture. There should exist a countable sequence of finite racks $(R_i)_{i\geq 1}$ such that the sequence

For a knot or link $L$, let $\mathcal{K}(L)$ denote its fundamental quandle, and let $\chi_L(X):=|\operatorname{Hom}_{\operatorname{quandle}}(\mathcal{K}(L),X)|$ be the quandle cou…