https://jasper-aa64.github.io/tags/stirling/Recent content in Stirling on JasperHugoen-usMon, 20 Apr 2026 00:00:00 +0000https://jasper-aa64.github.io/posts/combinatorics-1-2-inclusion-exclusion-diophantine-derangements/Mon, 20 Apr 2026 00:00:00 +0000https://jasper-aa64.github.io/posts/combinatorics-1-2-inclusion-exclusion-diophantine-derangements/Inclusion-exclusion in set and operator form, equal-count subproblems, bounded Diophantine counting, derangements, Stirling numbers, and selected contest problems.