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A083257 a(n) = A071364(n-th nonprime number) = A071364(A018252(n)). 1
1, 4, 6, 8, 4, 6, 12, 6, 6, 16, 18, 12, 6, 6, 24, 4, 6, 8, 12, 30, 32, 6, 6, 6, 36, 6, 6, 24, 30, 12, 12, 6, 48, 4, 18, 6, 12, 54, 6, 24, 6, 6, 60, 6, 12, 64, 6, 30, 12, 6, 30, 72, 6, 18, 12, 6, 30, 48, 16, 6, 60, 6, 6, 6, 24, 90, 6, 12, 6, 6, 6, 96, 18, 12, 36, 30, 24, 30, 6, 108, 30, 6 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

CROSSREFS

Cf. A007395, A000040, A002808, A018252, A046523, A071364, A083256.

Sequence in context: A021685 A071851 A083256 * A201336 A188930 A141219

Adjacent sequences:  A083254 A083255 A083256 * A083258 A083259 A083260

KEYWORD

nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu), May 09 2003

EXTENSIONS

Corrected by Ray Chandler (rayjchandler(AT)sbcglobal.net), Aug 1 2004

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Last modified February 15 19:15 EST 2012. Contains 205852 sequences.