The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A114066

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A114066

n plus the n-th prime gives a fourth power.
(history; published version)

#9 by Joerg Arndt at Thu Jan 09 11:20:59 EST 2014

STATUS

proposed

approved

#8 by Michel Marcus at Thu Jan 09 00:52:11 EST 2014

STATUS

editing

proposed

#7 by Michel Marcus at Thu Jan 09 00:52:06 EST 2014

EXAMPLE

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

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

CROSSREFS

Cf. A014688, subsequence of A064371.

STATUS

proposed

editing

#6 by Michel Marcus at Wed Jan 08 15:52:54 EST 2014

STATUS

editing

proposed

#5 by Michel Marcus at Wed Jan 08 15:52:51 EST 2014

PROG

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

STATUS

approved

editing

#4 by Russ Cox at Fri Mar 30 17:40:34 EDT 2012

AUTHOR

_Giovanni Resta (g.resta(AT)iit.cnr.it), _, Feb 13 2006

Discussion

Fri Mar 30

17:40

OEIS Server: https://oeis.org/edit/global/192

#3 by Russ Cox at Fri Mar 30 17:34:56 EDT 2012

EXTENSIONS

a(11)-a(23) from _Donovan Johnson (donovan.johnson(AT)yahoo.com), _, Jul 02 2010

Discussion

Fri Mar 30

17:34

OEIS Server: https://oeis.org/edit/global/163

#2 by N. J. A. Sloane at Sun Jul 11 03:00:00 EDT 2010

DATA

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

EXTENSIONS

a(11)-a(23) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Jul 02 2010

#1 by N. J. A. Sloane at Fri Feb 24 03:00:00 EST 2006

NAME

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

DATA

5, 503, 9229, 53132, 1077614, 5673932, 12335313, 18002978, 89720978, 93036654

OFFSET

1,1

EXAMPLE

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

KEYWORD

nonn

AUTHOR

Giovanni Resta (g.resta(AT)iit.cnr.it), Feb 13 2006

STATUS

approved