square triangular number (Q1885380)

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integer that is both a perfect square and a triangular number
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Language Label Description Also known as
English
square triangular number
integer that is both a perfect square and a triangular number

    Statements

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    Square triangular number 36.svg
    512 × 256; 612 bytes
    graphical proof that 36=6²=1+2+⋯+8 is a square triangular number (English)
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    Square triangular number
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    Identifiers