Item:Q8764: Difference between revisions
Created a new Item: centered heptagonal number, subclass of centered polygonal number |
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 / subclass of | |||
| Property / subclass of: centered polygonal number / rank | |||
Normal rank | |||
| Property / subclass of: centered polygonal number / qualifier | |||
| Property / subclass of: centered polygonal number / qualifier | |||
| Property / subclass of: centered polygonal number / qualifier | |||
| 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} | |||
