Item:Q8760: Difference between revisions
Created claim: subclass of (P1): centered polygonal number (Q8768) |
Created claim: defining formula (P333): C_{3,n}={\frac {3}{2}}n(n-1)+1={{3n^{2}-3n+2} \over 2} |
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Property / defining formula | |||
C_{3,n}={\frac {3}{2}}n(n-1)+1={{3n^{2}-3n+2} \over 2} | |||
Property / defining formula: / rank | |||
Normal rank |