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Search: id:A057827
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A057827 a(0) = 1; a(n) = LCM(n, sum{k=0 to n-1}[a(k)]). +0
1
1, 1, 2, 12, 16, 160, 192, 2688, 3072, 18432, 122880, 1622016, 1769472, 46006272, 49545216, 495452160, 594542592, 20214448128, 21403533312, 813334265856, 856141332480, 1712282664960, 37670218629120, 945180031057920 (list; graph; listen)
OFFSET

0,3

EXAMPLE

a(4) = LCM(4, a(0)+a(1)+a(2)+a(3)) = LCM(4, 1+1+2+12) = LCM(4, 16) = 16.

CROSSREFS

Sequence in context: A113802 A057123 A134833 this_sequence A082407 A063576 A120350

Adjacent sequences: A057824 A057825 A057826 this_sequence A057828 A057829 A057830

KEYWORD

nonn

AUTHOR

Leroy Quet (qq-quet(AT)mindspring.com), Nov 08 2000

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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