Wikidata entity: Q2702442
| P2534 | defining formula | Math | ??? | |
| P156 | followed by | ... | Q663029 (decagonal number) | decagonal number |
| P155 | follows | ... | Q2634498 (octagonal number) | octagonal number |
| P31 | instance of | ... | Q77358734 (type of integer) | type of integer |
| P6104 | maintained by WikiProject | ... | Q8487137 (WikiProject Mathematics) | WikiProject Mathematics |
| P279 | subclass of | ... | Q836270 (polygonal number) | polygonal number |
| P646 | Freebase ID | /m/03p1tp |
| P2812 | MathWorld ID | NonagonalNumber |
| P829 | OEIS ID | A001106 |
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