  In \cite{EjsmontLehner:2020:tangent} we study the limit sums of free
commutators and anticommutators and show that the generalized tangent function
$$ \frac{\tan z}{1-x\tan z} $$ describes the limit distribution. This is the
generating function of the higher order tangent numbers of Carlitz and Scoville
\cite[(1.6)]{CarlitzScoville:1972} which arose in connection with the
enumeration of certain permutations. In the present paper we continue to study
the limit of weighted sums of Boolean commutators and anticommutators and we
show that the shifted generalized tangent function appears in a limit theorem.
In order to do this, we shall provide an arbitrary cumulants formula of the
quadratic form. We also apply this result to obtain several results in a
Boolean probability theory.
