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Search: id:A068210
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| A068210 |
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n-th prime's factorial raised to n-th prime power. |
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+0
2
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| 4, 216, 24883200000, 82606411253903523840000000, 40993301655492432818244093590316491893254753014672429345144832000000000000000000\ 0000
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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a(5) through a(10) have this many decimal digits: 84, 128, 248, 325, 516 and 898, respectively.
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FORMULA
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a(n) = (prime(n))!^prime(n).
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EXAMPLE
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a(3) = 24883200000 because the 3rd prime is 5 and 5!^5 = 120^5 = 24883200000.
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PROGRAM
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(PARI) for(n=1, 5, print1(prime(n)!^prime(n), ", "))
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CROSSREFS
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Sequence in context: A036740 A038786 A072694 this_sequence A078693 A025420 A052209
Adjacent sequences: A068207 A068208 A068209 this_sequence A068211 A068212 A068213
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KEYWORD
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easy,nonn
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AUTHOR
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Rick L. Shepherd (rshepherd2(AT)hotmail.com), Mar 24 2002
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