A114066 - OEIS

A114066

n plus the n-th prime gives a fourth power.

5, 503, 9229, 53132, 1077614, 5673932, 12335313, 18002978, 89720978, 93036654, 133588773, 167057609, 200368277, 266488037, 270168848, 300988608, 379786284, 693620392, 954150797, 1585905060, 1957585697, 2039039592, 2280501932

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..23.

EXAMPLE

5 + prime(5) = 5 + 11 = 16 = 2^4.

12335313 + prime(12335313) = 236421376 = 124^4.

PROG

(PARI) isok(n) = ispower(n+prime(n), 4); \\ Michel Marcus, Jan 08 2014

CROSSREFS

Cf. A014688, subsequence of A064371.

Sequence in context: A198910 A207866 A013305 * A014287 A256704 A083151

Adjacent sequences: A114063 A114064 A114065 * A114067 A114068 A114069

KEYWORD

nonn

AUTHOR

Giovanni Resta, Feb 13 2006

EXTENSIONS

a(11)-a(23) from Donovan Johnson, Jul 02 2010

STATUS

approved