login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A162003 Primes of the form 1+(n+2)^2+(n+4)^4, n>=0. 0
4133, 14723, 38561, 457553, 708011, 2086433, 2314811, 3749861, 4881707, 5310533, 10559027, 12120611, 15756683, 21385733, 29991761, 37020833, 84943493, 151818923, 163059683, 181076933, 187401947, 268451333, 276939011, 322435361 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

These are created by n=4, 7, 10, 22, 25, 34, 35, 40, 43, 44, 53, 55, 59, 64, 70, 74, 92,

107, 109, 112, 113, 124, 125, 130, 140, 143, 152, 164, 167, 169,...

Primes created by the negative n= -1, -2, -3, -4, -5, -7, -8, -10 etc. are not included.

LINKS

Table of n, a(n) for n=1..24.

MATHEMATICA

f[n_]:=n^0+(n+2)^2+(n+4)^4; lst={}; Do[If[PrimeQ[f[n]], AppendTo[lst, f[n]]], {n, 6!}]; lst

CROSSREFS

Sequence in context: A117810 A236871 A188254 * A251650 A270772 A294058

Adjacent sequences:  A162000 A162001 A162002 * A162004 A162005 A162006

KEYWORD

nonn

AUTHOR

Vladimir Joseph Stephan Orlovsky, Jun 24 2009

EXTENSIONS

Added note on primes created by negative n. [R. J. Mathar, Jun 26 2009]

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy .

Last modified February 23 17:41 EST 2018. Contains 299584 sequences. (Running on oeis4.)