centered pentagonal number (Q8762): Difference between revisions

@@ Property / instance of @@
+centered polygonal number
@@ Property / instance of: centered polygonal number / rank @@
+Normal rank
@@ Property / instance of: centered polygonal number / qualifier @@
+series ordinal: 5
@@ Property / instance of: centered polygonal number / qualifier @@
+follows: centered square number
@@ Property / instance of: centered polygonal number / qualifier @@
+followed by: centered hexagonal number
@@ Property / subclass of @@
+figurate number
@@ Property / subclass of: figurate number / rank @@
+Normal rank
@@ Property / defining formula @@
+ $\mathrm {P} _{n}={\frac {5n^{2}-5n+2}{2}},n\geq 1$ 
\mathrm{P}_n = \frac{5 n^2 - 5 n + 2}{2}, n \ge 1
+Normal rank

Latest revision as of 21:51, 12 May 2023