S-expression: Difference between revisions
m →hk = 2k + 1: correction as per Frostburn's discovery |
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<math> | <math> | ||
\begin {align} | \begin {align} | ||
{\rm So}(k) = h_k^2 h_{k-1}^{-1} h_{k+1}^{-1} = \frac{ (2k+1)^2 }{ (2k-1)(2k+3) } = \frac{ 4k^2 + 4k + 1 }{ 4k^2 | {\rm So}(k) = h_k^2 h_{k-1}^{-1} h_{k+1}^{-1} = \frac{ (2k+1)^2 }{ (2k-1)(2k+3) } = \frac{ 4k^2 + 4k + 1 }{ 4k^2 + 4k - 3 } | ||
\end {align} | \end {align} | ||
</math> | </math> | ||