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Math Help - Number pattern

  1. #1
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    Number pattern

    The problems is to fill in the blanks of the pattern 1, 2, 3, ___, 10, ____, 16, 18 The answer given is 6, 13. Is 1, 2, 3, 6, 10, 13, 16, 18 a number pattern? What is the rule or pattern?
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  2. #2
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    Quote Originally Posted by Kennic View Post
    The problems is to fill in the blanks of the pattern 1, 2, 3, ___, 10, ____, 16, 18 The answer given is 6, 13. Is 1, 2, 3, 6, 10, 13, 16, 18 a number pattern? What is the rule or pattern?
    The problem with things like this is that any finite sequence of integers
    is a pattern. The problem is finding what the setter had in mind, which
    means a rule that is simple and obvious when you find it.

    I see no simple pattern here, but that does not mean that there is none.
    If this is a maths problem then there probably is a simple pattern here.
    If this is a puzzle form a non-math web site then the only simplicity may
    be in the mind of the setter.

    The online encyclopedia of integer sequences does not recognise it, so
    if there is a simple pattern it is not a mathematical one.

    RonL
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