triangular number (Q1198): Difference between revisions

Latest revision as of 16:01, 29 January 2023

figurate number

Language	Label	Description	Also known as
English	triangular number	figurate number	trigonal number

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3

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@@ Property / instance of @@
+integer sequence
@@ Property / instance of: integer sequence / rank @@
+Normal rank
@@ Property / instance of @@
+complete sequence
@@ Property / instance of: complete sequence / rank @@
+Normal rank
@@ Property / subclass of @@
+polygonal number
@@ Property / subclass of: polygonal number / rank @@
+Normal rank
@@ Property / subclass of: polygonal number / qualifier @@
+followed by: square number
@@ Property / subclass of: polygonal number / qualifier @@
+series ordinal: 3