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What cometh next?

Posted by luv2fap on February 3, 2011 – 9:12 pm

What number(s) come next in this sequence?

61, 52, 63, 94, 46, ….

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This post is under “Tom” and has 11 respond so far.
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11 Responds so far- Add one»

  1. 1. Nathan Said:

    -279

  2. 2. luv2fap Said:

    Nope.

  3. 3. Nathan Said:

    18

    Reverse the digits, and the sequence is the square numbers

  4. 4. anon Said:

    just curious, how did you get -279?

  5. 5. Chris Said:

    Sounds good to me. I’ll vote for 81 too.

  6. 6. Chris Said:

    Aaargh. I meant 18. Night all.

  7. 7. Nathan Said:

    polynomial interpolation

  8. 8. Nasruddin Said:

    48

  9. 9. Karl Sharman Said:

    18 – three or four days late.

  10. 10. luv2fap Said:

    Nathan is correct, it was the square of consecutive numbers starting from 4 with the digits reversed.

  11. 11. Chris Said:

    Hi Nathan. I’ve just worked out that your comment “Polynomial interpolation” was how you arrived at -279.

    Because the difference table doesn’t reduce to a constant, it wasn’t reasonable to use that mthod.

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