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A086133 Smallest prime factor of arithmetic derivative of n equals that of n. 0
4, 8, 12, 16, 20, 24, 27, 28, 32, 36, 40, 44, 45, 48, 52, 56, 60, 63, 64, 68, 72, 76, 80, 84, 88, 92, 96, 99, 100, 104, 108, 112, 116, 117, 120, 124, 128, 132, 136, 140, 144, 148, 152, 153, 156, 160, 164, 168, 171, 172, 175, 176, 180, 184, 188, 192, 196, 200, 204 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..59.

CROSSREFS

Cf. A003415.

Sequence in context: A311123 A285466 A274141 * A100716 A328251 A276079

Adjacent sequences:  A086130 A086131 A086132 * A086134 A086135 A086136

KEYWORD

nonn

AUTHOR

Labos Elemer, Jul 23 2003

STATUS

approved

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Last modified August 7 11:34 EDT 2020. Contains 336275 sequences. (Running on oeis4.)