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A171530 Denominator of (n-th nonprime/n). 2
1, 1, 1, 1, 5, 3, 7, 4, 3, 5, 11, 3, 13, 7, 5, 16, 17, 2, 19, 2, 21, 2, 23, 24, 25, 26, 9, 7, 29, 15, 31, 16, 11, 34, 7, 12, 37, 19, 39, 5, 41, 21, 43, 22, 5, 23, 47, 8, 49, 50 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

COMMENTS

Denominator of (A018252(n)/n).

LINKS

Table of n, a(n) for n=1..50.

CROSSREFS

Sequence in context: A048997 A096635 A021953 * A266684 A173683 A099408

Adjacent sequences:  A171527 A171528 A171529 * A171531 A171532 A171533

KEYWORD

nonn,frac,easy

AUTHOR

Jaroslav Krizek, Dec 11 2009

STATUS

approved

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Last modified March 18 22:07 EDT 2019. Contains 321305 sequences. (Running on oeis4.)