k <annotation-xml encoding="MathML-Content" id="p1.1.m1.1b"> <ci id="p1.1.m1.1.1.cmml" xref="p1.1.m1.1.1">𝑘</ci> </annotation-xml> {\displaystyle{\displaystyle k}}
n <annotation-xml encoding="MathML-Content" id="p1.1.m1.1b"> <ci id="p1.1.m1.1.1.cmml" xref="p1.1.m1.1.1">𝑛</ci> </annotation-xml> {\displaystyle{\displaystyle n}}
p k <annotation-xml encoding="MathML-Content" id="p1.1.m1.1b"> <apply id="p1.1.m1.1.3.cmml" xref="p1.1.m1.1.3"> <csymbol cd="ambiguous" id="p1.1.m1.1.3.1.cmml" xref="p1.1.m1.1.3">subscript</csymbol> <ci id="p1.1.m1.1.1.cmml" xref="p1.1.m1.1.1">𝑝</ci> <ci id="p1.1.m1.1.2.1.cmml" xref="p1.1.m1.1.2.1">𝑘</ci> </apply> </annotation-xml> {\displaystyle{\displaystyle p_{k}}}