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A218461 Floor( prime(prime(n))/ prime(n) ). 2
1, 1, 2, 2, 2, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Charles R Greathouse IV, Table of n, a(n) for n = 1..10000

FORMULA

a(n) = floor(A006450(n)/A000040(n)).

EXAMPLE

[3/2]=1; [5/3]=1; [11/5]=2

MATHEMATICA

Floor[Prime[#]/#]&/@Prime[Range[90]] (* Harvey P. Dale, Aug 12 2016 *)

PROG

(PARI) a(n)=prime(n=prime(n))\n \\ Charles R Greathouse IV, Oct 31 2012

(PARI) apply(p->prime(p)\p, primes(100)) \\ Charles R Greathouse IV, Oct 31 2012

CROSSREFS

Sequence in context: A316844 A130239 A091092 * A186189 A083375 A088519

Adjacent sequences:  A218458 A218459 A218460 * A218462 A218463 A218464

KEYWORD

nonn,easy

AUTHOR

Tyler Carrico, Oct 30 2012

STATUS

approved

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Last modified November 12 09:01 EST 2019. Contains 329052 sequences. (Running on oeis4.)