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A160995 a(n) = the smallest positive integer neither a divisor of n nor coprime to n. 1
4, 6, 6, 10, 4, 14, 6, 6, 4, 22, 8, 26, 4, 6, 6, 34, 4, 38, 6, 6, 4, 46, 9, 10, 4, 6, 6, 58, 4, 62, 6, 6, 4, 10, 8, 74, 4, 6, 6, 82, 4, 86, 6, 6, 4, 94, 9, 14, 4, 6, 6, 106, 4, 10, 6, 6, 4, 118, 8, 122, 4, 6, 6, 10, 4, 134, 6, 6, 4, 142, 10, 146, 4, 6, 6, 14, 4, 158, 6, 6, 4, 166, 8, 10, 4, 6 (list; graph; refs; listen; history; internal format)
OFFSET

2,1

COMMENTS

a(1) doesn't exist because 1 is coprime to all integers.

FORMULA

a(p) = 2p, for all primes p.

CROSSREFS

Sequence in context: A201775 A199172 A183986 * A155750 A159475 A098350

Adjacent sequences:  A160992 A160993 A160994 * A160996 A160997 A160998

KEYWORD

nonn

AUTHOR

Leroy Quet, Jun 01 2009

EXTENSIONS

Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Jun 13 2009

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Last modified February 17 07:41 EST 2012. Contains 205998 sequences.