EntityQ2985062· pop 5· linked from 25 articlesanalytic combinatoricsSign in to savetechnique for counting combinatorial objects, using the internal structure of the objects to derive formulas for their generating functionsConnectionslogarithmEntitySrinivasa RamanujanEntityG.H. HardyEntitynth rootEntityTaylor seriesEntitycomplex analysisEntitymeromorphic functionEntitysaddle pointEntitypoleEntitymathematical singularityEntityentire functionEntitygenerating functionEntityradius of convergenceEntityasymptotic analysisEntitycontour integrationEntityRobert SedgewickEntityHardy–Littlewood circle methodEntityenumerative combinatoricsEntityWalter HaymanEntityAndrew M. OdlyzkoEntityCategoriesEnumerative combinatoricsMathematics articles needing expert attention