Accurate Computation of Periodic Regions' Centers in the General M-Set with Integer Index Number

Table 6

Expression of ℎ_𝑘(𝑐) when 𝛼=−2.

𝑘	ℎ𝑘(𝑐)
2	𝑐
3	𝑐^3+1
4	𝑐^7+3𝑐^4+𝑐
5	𝑐^15+7𝑐^12+5𝑐^9+12𝑐^6+5𝑐^3+1