A057902 - OEIS

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A057902

a(n) = 5^prime(n).

8

25, 125, 3125, 78125, 48828125, 1220703125, 762939453125, 19073486328125, 11920928955078125, 186264514923095703125, 4656612873077392578125, 72759576141834259033203125, 45474735088646411895751953125

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Ivan Panchenko, Table of n, a(n) for n = 1..200

FORMULA

a(n) = 5^A000040(n).

Sum_{n>=1} 1/a(n) = A132797. - Amiram Eldar, Aug 11 2020

EXAMPLE

a(4) = 5^7 = 78125.

MAPLE

A057902:=n->5^ithprime(n); seq(A057902(n), n=1..30); # Wesley Ivan Hurt, Jun 14 2014

MATHEMATICA

5^Prime@Range@30 (* Vladimir Joseph Stephan Orlovsky, Apr 11 2011 *)

CROSSREFS

Cf. A000040, A034785, A053810, A057902, A132797.

Sequence in context: A073963 A316277 A201842 * A042216 A042218 A045166

Adjacent sequences: A057899 A057900 A057901 * A057903 A057904 A057905

KEYWORD

nonn

AUTHOR

Henry Bottomley, Sep 29 2000

STATUS

approved