Item:Q8764: Difference between revisions
Created claim: subclass of (P1): centered polygonal number (Q8768) |
Created claim: defining formula (P333): {\displaystyle C_{7,n}={\frac {7}{2}}n(n-1)+1={{7n^{2}-7n+2} \over 2}} |
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| Property / defining formula | |||
{\displaystyle C_{7,n}={\frac {7}{2}}n(n-1)+1={{7n^{2}-7n+2} \over 2}} | |||
| Property / defining formula: / rank | |||
Normal rank | |||
| Property / defining formula: / qualifier | |||
| Property / defining formula: / qualifier | |||
in defining formula: n\geq {1},n\in \mathbb {N} | |||
