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Math Help - How is this sequence generated please?

  1. #1
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    How is this sequence generated please?

    I need to describe how the following sequence is generated... but fail to understand the link

    1, 4, 16, 25, 36,

    I can see that the first term is 1 squared, the 2nd is 2 squared, the 3rd is not 3 squared but four squared??? how come?

    Is there something I've missed out?
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  2. #2
    A riddle wrapped in an enigma
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    Quote Originally Posted by Natasha1 View Post
    I need to describe how the following sequence is generated... but fail to understand the link

    1, 4, 16, 25, 36,

    I can see that the first term is 1 squared, the 2nd is 2 squared, the 3rd is not 3 squared but four squared??? how come?

    Is there something I've missed out?
    Hi Natasha1,

    I think the third term has been left out, don't you? Otherwise, it makes no sense to me.

    Is this still stuff for your 11-yr old daughter?
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  3. #3
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    Quote Originally Posted by Natasha1 View Post
    I need to describe how the following sequence is generated... but fail to understand the link between the numbers

    1, 4, 16, 25, 36,

    I can see that the first term is 1 squared, the 2nd is 2 squared, the 3rd is not 3 squared but 4 square, the 4th is 5 squared and the 5th is 6 squared.

    There's no printing mistake. Can anyone help spot the actual link?
    maybe these are the missing terms ...

    3^2, 7^2 , 12^2, 18^2 , ...
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