Item:Q8775: Difference between revisions
Created claim: subclass of (P1): figurate number (Q1201) |
Created claim: defining formula (P333): P_n^r= \frac{3n^2 + n^3(r-2) - n(r-5)}{6} |
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Property / defining formula | |||
P_n^r= \frac{3n^2 + n^3(r-2) - n(r-5)}{6} | |||
Property / defining formula: / rank | |||
Normal rank |