When the search for solutions can be terminated -- Euler's partition theorem and refinement without appeal to infinit -- Sequences in partitions, double q-series and the Mock Theta Function -- Refine q-trinomial coecients and two infinit hierarchies of q-series identities -- Large scale analytic calculations in quantum field theories -- An eigenvalue problem for the associated Askey-Wilson polynomials -- Context-free grammars and stable multivariate polynomials over Stirling permutations -- An interesting class of Hankel determinants -- A sequence of polynomials generated by a Kapteyn series of the second kind -- Comparative analysis of random generators.-Difference equation theory meets mathematical finance -- Evaluations as L-subsets -- Exact lower bounds for monochromatic Schur triples and generalizations -- Evaluation of binomial double sums involving absolute values -- On two subclasses of Motzkin paths and their relation to ternary trees -- A theorem to reduce certain modular form relations modulo primes -- Trying to solve a linear system for strict partitions in 'closed form' -- Untying the Gordian Knot via experimental mathematics.