User:WaxPlanck/Higher order xi functions

Order-2 xi function values
\begin{eqnarray} \\ \Xi{2}(7) &=& 51 \\ \Xi{2}(8) &=& 120 \\ \Xi{2}(9) &=& 1,442 \\ \Xi{2}(10) &=& \\ \Xi{2}(11) &=& 82,894 \\ \end{eqnarray}