Printer Friendly
Dictionary, Encyclopedia and Thesaurus - The Free Dictionary
3,918,283,318 visitors served.
forum Join the Word of the Day Mailing List For webmasters
?
Dictionary/
thesaurus
Medical
dictionary
Legal
dictionary
Financial
dictionary
Acronyms
 
Idioms
Encyclopedia
Wikipedia
encyclopedia
?

Triangular numbers
(redirected from Triangular number)

    Also found in: Encyclopedia, Wikipedia 0.01 sec.
(Math.) the series of numbers formed by the successive sums of the terms of an arithmetical progression, of which the first term and the common difference are 1. See Figurate numbers, under Figurate.

See also: Triangular



Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content.
?Page tools
Printer friendly
Cite / link 		Feedback
Add definition
Mentioned in?  References in periodicals archive?   Dictionary browser?   Full browser?
No references found
 
uk *We received no correct entries, but the answer to the Dr Math's puzzle from October 30, to find four different ways of making 49 with triangular numbers, are; 1+3+45, 3+10+36, 6+15+28, and 21+28.
DR MATHS by Evening Chronicle (Newcastle, England)
In two earlier articles in this journal, we described Grade 1 students' use of pattern imagery and structural awareness when they solved triangular number and area tasks (Mulligan, Prescott, & Mitchelmore, 2003; Mulligan, Prescott, Mitchelmore, & Outhred, 2005).
Encouraging mathematical thinking through pattern & structure: an ... by Mulligan, Joanne; Mitchelmore, Mike; Kemp, Coral; Marston, Jennie; Highfield, Kate / Australian Primary Mathematics Classroom
He covers Ramanujan's work in congruences for p(n) and r(n), sums of squares and sums of triangular numbers, Eisenstein series, the connection between hypergeometric functions and theta functions and the applications of the primary theorem, and the Rogers-Ramanujan continued fraction.
Number theory in the spirit of Ramanujan by SciTech Book News
 
 
 
Dictionary, Thesaurus, and Translations
?

Terms of Use | Privacy policy | Feedback | Advertise with Us | Copyright © 2012 Farlex, Inc.
Disclaimer
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.