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    • Keywords


      Triangular number; figurate number; rangoli; Brahmagupta–Pell equation; Jacobi triple product identity.

    • Author Affiliations


      Anuradha S Garge1 Shailesh A Shirali2

      1. Centre for Excellence in Basic Sciences, Kalina Campus Mumbai University Mumbai 400 098, India.
      2. Community Mathematics Center Rishi Valley School (KFI) Rishi Valley 517 352 Andhra Pradesh, India.
    • Dates


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