About: Doubly triangular number

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In mathematics, the doubly triangular numbers are the numbers that appear within the sequence of triangular numbers, in positions that are also triangular numbers. That is, if denotes the th triangular number, then the doubly triangular numbers are the numbers of the form .

Attributes	Values
rdfs:label	Doubly triangular number (en)
rdfs:comment	In mathematics, the doubly triangular numbers are the numbers that appear within the sequence of triangular numbers, in positions that are also triangular numbers. That is, if denotes the th triangular number, then the doubly triangular numbers are the numbers of the form . (en)
dbp:wikiPageUsesTemplate	dbt:Not_a_typo dbt:R dbt:Reflist
Subject	Factorial and binomial topics Integer sequences
thumbnail	wiki-commons:Special:FilePath/Square_3-colorings.svg?width=300
foaf:depiction
prov:wasDerivedFrom	http://en.wikipedia.org/wiki/Doubly_triangular_number?oldid=1013833784&ns=0
Wikipage page ID	66308569 (xsd:integer)
page length (characters) of wiki page	4411 (xsd:nonNegativeInteger)
Wikipage revision ID	1013833784 (xsd:integer)
Link from a Wikipage to another Wikipage	Floyd's triangle Number of the beast Numerology Slater-type orbital 666 (number) Biblical studies Unordered pair Factorial and binomial topics Integer sequences Quartic function Square Triangular number Combinatorics Orbital overlap Integer sequence Mathematical chemistry Multigraph
has abstract	In mathematics, the doubly triangular numbers are the numbers that appear within the sequence of triangular numbers, in positions that are also triangular numbers. That is, if denotes the th triangular number, then the doubly triangular numbers are the numbers of the form . (en)
foaf:isPrimaryTopicOf	http://en.wikipedia.org/wiki/Doubly_triangular_number
is Link from a Wikipage to another Wikipage of	Floyd's triangle 120 (number) 231 (number) 55 (number) 666 (number)
is foaf:primaryTopic of	http://en.wikipedia.org/wiki/Doubly_triangular_number

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