login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A178177 Numbers n such that n^4+5^4+3^4=n^4+706 is prime. 0

%I #10 Jun 13 2017 13:43:26

%S 3,23,25,47,53,67,73,89,101,103,109,117,143,145,151,157,179,187,229,

%T 273,289,297,339,375,385,395,429,455,497,521,543,557,569,619,639,649,

%U 661,703,749,759,791,795,817,821,843,889,915,961,977,1013,1087,1113,1115,1129,1141,1165,1277,1311,1321,1349,1405,1407,1451,1495,1507,1559,1561,1573,1591,1607,1627,1701,1717,1741,1851,1867,1871,1893,1895,1925,1949,1991

%N Numbers n such that n^4+5^4+3^4=n^4+706 is prime.

%C Sequence contains squares m^2 for m =

%C 5,17,31,47,121,143,207,221,319,343,371,423,429,451,467,485,525,529,683,787,805,955,....

%t Select[Range[1,2000,2],PrimeQ[#^4+706]&]

%o (PARI) is(n)=isprime(n^4+706) \\ _Charles R Greathouse IV_, Jun 13 2017

%Y Supersequence of A160022 (Primes p such that p^4+5^4+3^4 is prime).

%K nonn

%O 1,1

%A _Zak Seidov_, Dec 18 2010

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)