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

 

Logo

Many excellent designs for a new banner were submitted. We will use the best of them in rotation.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A178608 Primes of the form (2n^3 + 3n^2 + n - 12)/6. 0
3, 53, 89, 283, 383, 1013, 1783, 3793, 6199, 12527, 17573, 23819, 25583, 31393, 40423, 42923, 81373, 111893, 132347, 155153, 161237, 187163, 208333, 391403, 500363, 597859, 658873, 674749, 944369, 1113773, 1302313, 1538569, 2607097 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..33.

MATHEMATICA

s=0; lst={}; Do[s+=n^2; If[PrimeQ[p=s-2], AppendTo[lst, p]], {n, 1, 6!}]; lst

CROSSREFS

Cf. A000330.

Sequence in context: A228452 A082484 A187805 * A106997 A141929 A216042

Adjacent sequences:  A178605 A178606 A178607 * A178609 A178610 A178611

KEYWORD

nonn,easy

AUTHOR

Vladimir Joseph Stephan Orlovsky, May 30 2010

STATUS

approved

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

Content is available under The OEIS End-User License Agreement .

Last modified April 18 11:35 EDT 2014. Contains 240707 sequences.