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A116016 n+prime(n)+prime(prime(n)) is a cube, where prime(n) is the n-th prime. 1
34780, 147895, 302689, 449410, 4801151, 6717665 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..6.

EXAMPLE

34780+prime(34780)+prime(prime(34780)) = 6434856 = 186^3.

PROG

(PARI) isok(n) = ispower(n + prime(n) + prime(prime(n)), 3); \\ Michel Marcus, Jan 27 2014

CROSSREFS

Cf. A116011, A116012.

Sequence in context: A236141 A103911 A185472 * A253117 A236591 A236727

Adjacent sequences:  A116013 A116014 A116015 * A116017 A116018 A116019

KEYWORD

nonn

AUTHOR

Giovanni Resta, Feb 13 2006

STATUS

approved

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Last modified August 17 05:07 EDT 2022. Contains 356184 sequences. (Running on oeis4.)