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Yet another sequence

  1. Feb 21, 2006 #1
    what is the next number in this sequence?

    0, 0, 9, 147, 2547, 55827, 1581687, 57107367, 2571502987, .....

    Egad I hope I did the math right!
     
  2. jcsd
  3. Feb 21, 2006 #2
    For those that need hints: it uses summations and/or products
     
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