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A051549
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a(n) = LCM { sigma(1), ..., sigma(n) }.
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1
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1, 3, 12, 84, 84, 84, 168, 840, 10920, 32760, 32760, 32760, 32760, 32760, 32760, 1015560, 1015560, 1015560, 1015560, 1015560, 4062240, 4062240, 4062240, 4062240, 4062240, 4062240, 4062240, 4062240, 4062240, 4062240, 4062240
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OFFSET
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0,2
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LINKS
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MATHEMATICA
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nn=40; With[{sig=DivisorSigma[1, Range[nn]]}, Table[LCM@@Take[sig, n], {n, nn}]] (* Harvey P. Dale, Nov 15 2013 *)
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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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