en nth centered nonagonal number Z15470
en Function

سيمقن ڤد 05:49, 11 اڤريل 2024

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@@ باريس 33: / باريس 33: @@
         "Z8K4": [
             "Z14",
+            "Z15756",
             "Z15471",
-            "Z15472",
+            "Z15472"
-            "Z15756"
         ],
         "Z8K5": "Z15470"