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!)
A217440 Primes or negative values of primes of the form 8*n^2 - 326*n + 2659 for n >= 0. 4
2659, 2341, 2039, 1753, 1483, 1229, 991, 769, 563, 373, 199, 41, -101, -227, -337, -431, -509, -571, -617, -647, -661, -659, -641, -607, -557, -491, -409, -311, -197, -67, 79, 241, 419, 613, 823, 1049, 1291, 1549, 1823, 2113, 2741, 3079, 3433, 3803 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Terms are listed in the order of appearance. The absolute values are primes for 0 <= n <= 39.

LINKS

Table of n, a(n) for n=1..44.

Eric Weisstein's World of Mathematics, Prime Generating Polynomials

MAPLE

A217440:=proc(i)

local a, n;

for n from 0 to i do a:=8*n^2-326*n+2659; if isprime(abs(a)) then print(a); fi; od; end:

A217440(100); # Paolo P. Lava, Oct 03 2012

MATHEMATICA

Select[Table[8*n^2 - 326*n + 2659, {n, 0, 50}], PrimeQ[#]&]

PROG

(PARI) [n | n <- apply(m->8*m^2-326*m+2659, [0..100]), isprime(abs(n))] \\ Charles R Greathouse IV, Jun 18 2017

CROSSREFS

Cf. A050267, A050268, A217439.

Sequence in context: A235813 A225023 A251162 * A235733 A235514 A197108

Adjacent sequences:  A217437 A217438 A217439 * A217441 A217442 A217443

KEYWORD

sign,easy,less

AUTHOR

Pedja Terzic, Oct 03 2012

EXTENSIONS

More terms (to distinguish from quadratic) from Charles R Greathouse IV, Jun 18 2017

STATUS

approved

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 July 5 05:47 EDT 2022. Contains 355087 sequences. (Running on oeis4.)