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A124253 Numbers k such that 1 + k^3 + k^5 is prime. 0
1, 2, 3, 5, 6, 9, 17, 20, 23, 27, 30, 39, 41, 47, 51, 57, 68, 72, 74, 78, 80, 96, 105, 111, 113, 122, 126, 131, 132, 134, 137, 143, 144, 149, 153, 161, 174, 176, 182, 189, 249, 251, 254, 263, 264, 281, 282, 293, 300, 311, 317, 321, 324, 342, 344, 350, 354, 363 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..58.

MATHEMATICA

Select[Range[400], PrimeQ[1+#^3+#^5]&] (* Harvey P. Dale, Apr 10 2012 *)

PROG

(MAGMA) [n: n in [0..400] | IsPrime(1+n^3+n^5)] // Vincenzo Librandi, Mar 26 2010

(PARI) is(n)=isprime(1+n^3+n^5) \\ Charles R Greathouse IV, Jun 13 2017

CROSSREFS

Sequence in context: A138538 A240555 A102694 * A256230 A079371 A131761

Adjacent sequences:  A124250 A124251 A124252 * A124254 A124255 A124256

KEYWORD

nonn,easy

AUTHOR

Zak Seidov, Dec 12 2006

EXTENSIONS

More terms from Vincenzo Librandi, Mar 26 2010

STATUS

approved

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Last modified March 20 07:42 EDT 2019. Contains 321345 sequences. (Running on oeis4.)