books عدد تجزئات مجموعة منتهية
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# Order relationship on set hashes
# family of dotted finite groups
# infinite set
# locally finished group
# finite groups
# Finite Element Method
# finite differences
# Classification of simple finite groups
# Representation of a finite group
# Finite Difference Method
# List of simple finite groups
# A character representing a finite group
# finite state
# Finite volumes method
# finite simple cliques
# finite abelian clans
# Explanation of the finite element method
# Finite group theory
# hash set
# Administrative control over real estate divisions
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Source: wikipedia.org
عدد تجزئات مجموعة منتهية (Info)
يسمى عدد بيل Bn، عدد تجزءات مجموعة منتهية من n عنصر.
مثال : B0 = 1, B0 = 1, B2 = 2, B3 = 5, B4 = 15, B5 = 52, B6 = 203
الدالة الأسية المولدة للمتتالية Bn هي:
كما تحقق Bn علاقة الترجع التالية
