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A034879
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a(n) = product of factorials of digits of a(n-1).
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2
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3, 6, 720, 10080, 40320, 288, 3251404800, 33443020800, 10032906240, 150493593600, 1179600089304268800000, 6494947622660923209343932825600000000, 817033558319976619871285124179533435912396304547840000000000000
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| The next term has 110 digits. [From Harvey P. Dale, Oct 17 2011]
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FORMULA
| a(n+1) = A066459(a(n)), a(1) = 3. [Reinhard Zumkeller, Oct 11 2011]
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MATHEMATICA
| NestList[Times@@(IntegerDigits[#]!)&, 3, 12] (* From Harvey P. Dale, Oct 17 2011 *)
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PROG
| (Haskell)
a034879 n = a034879_list !! (n-1)
a034879_list = iterate a066459 3 -- Reinhard Zumkeller, Oct 11 2011
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CROSSREFS
| Sequence in context: A157540 A179267 A171928 * A113588 A071106 A157548
Adjacent sequences: A034876 A034877 A034878 * A034880 A034881 A034882
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KEYWORD
| nonn,base,nice
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AUTHOR
| Erich Friedman (erich.friedman(AT)stetson.edu)
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EXTENSIONS
| a(13) from Harvey P. Dale, Oct 17 2011
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