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A072486
a(1) =1, a(n) = a(n-1) times smallest divisor of n other than 1.
+0
3
1, 2, 6, 12, 60, 120, 840, 1680, 5040, 10080, 110880, 221760, 2882880, 5765760, 17297280, 34594560, 588107520, 1176215040, 22348085760, 44696171520, 134088514560, 268177029120, 6168071669760, 12336143339520, 61680716697600
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified December 5 17:24 EST 2009. Contains 170342 sequences.
AT&T Labs Research
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