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A052429
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Least common multiple of nonzero digits of n.
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5
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1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 2, 2, 2, 6, 4, 10, 6, 14, 8, 18, 3, 3, 6, 3, 12, 15, 6, 21, 24, 9, 4, 4, 4, 12, 4, 20, 12, 28, 8, 36, 5, 5, 10, 15, 20, 5, 30, 35, 40, 45, 6, 6, 6, 6, 12, 30, 6, 42, 24, 18, 7, 7, 14, 21, 28, 35, 42, 7, 56, 63, 8, 8, 8, 24, 8, 40, 24, 56
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OFFSET
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1,2
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LINKS
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EXAMPLE
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a(46)=12 because least common multiple of 4 and 6 is 12.
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MAPLE
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f:= proc(n)
ilcm(op(subs(0=NULL, convert(n, base, 10))))
end proc:
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MATHEMATICA
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lcmnzd[n_]:=Module[{d=Select[IntegerDigits[n], #>0&]}, LCM@@d]; lcmnzd/@ Range[90] (* Harvey P. Dale, Jul 13 2016 *)
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CROSSREFS
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KEYWORD
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base,easy,nonn
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AUTHOR
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STATUS
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approved
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