Skip to main content
SpringerLink
Log in

A Visual Proof for the Sum of the First n Triangular Numbers

  • Note
  • Published:
The Mathematical Intelligencer Aims and scope Submit manuscript

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

References

  • Nelsen, B.R. (1993). Sum of Triangular Numbers II, in Proofs Without Words: Exercises in Visual Thinking, Washington, D.C.: Mathematical Association of America, p.95.

  • Goldoni, G. (2002). “A Visual Proof for the Sum of the First n Squares and for the Sum of the First n Factorials of Order Two,” Mathe- matical Intelligencer 24(4), 67–69.

    Article  Google Scholar 

Download references

Author information

Authors and Affiliations

  1. Mathematics Department, Yildiz Technical University, Davutpasa Campus, Istanbul, 34210, Turkey

    Hasan Unal

Authors
  1. Hasan Unal
    View author publications

    You can also search for this author in PubMed Google Scholar

Corresponding author

Correspondence to Hasan Unal.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Unal, H. A Visual Proof for the Sum of the First n Triangular Numbers. Math Intelligencer 32, 6–7 (2010). https://doi.org/10.1007/s00283-009-9104-4

Download citation

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s00283-009-9104-4

Keywords

Search

Navigation