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A057827
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a(0) = 1; a(n) = LCM(n, sum{k=0 to n-1}[a(k)]).
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1
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1, 1, 2, 12, 16, 160, 192, 2688, 3072, 18432, 122880, 1622016, 1769472, 46006272, 49545216, 495452160, 594542592, 20214448128, 21403533312, 813334265856, 856141332480, 1712282664960, 37670218629120, 945180031057920
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OFFSET
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0,3
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LINKS
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EXAMPLE
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a(4) = LCM(4, a(0)+a(1)+a(2)+a(3)) = LCM(4, 1+1+2+12) = LCM(4, 16) = 16.
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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