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A116455 Perfect powers n with no primes between n and the next smaller perfect power, which is in A116086. 3
9, 27, 36, 125, 2197, 3136, 32768, 79524, 97344, 503284375 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

No other terms < 10^18. - Jud McCranie, Nov 03 2013

No other terms < 4.5*10^18. - Giovanni Resta, Apr 28 2014

LINKS

Table of n, a(n) for n=1..10.

Wikipedia, Redmond-Sun conjecture

CROSSREFS

Cf. A001597 (perfect powers), A116086.

Cf. A068435 (for prime powers).

Sequence in context: A216168 A036303 A325299 * A103753 A238333 A103965

Adjacent sequences:  A116452 A116453 A116454 * A116456 A116457 A116458

KEYWORD

hard,nonn

AUTHOR

T. D. Noe, Mar 28 2006

STATUS

approved

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Last modified May 16 12:46 EDT 2021. Contains 343947 sequences. (Running on oeis4.)