This site is supported by donations to The OEIS Foundation.

 Annual appeal: Please make a donation to keep the OEIS running! Over 6000 articles have referenced us, often saying "we discovered this result with the help of the OEIS". Other ways to donate

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A176617 Primes of the form 14*n^2 + 26*n + 13. 2
 13, 53, 673, 881, 1117, 1381, 1993, 2341, 3121, 4013, 6133, 6733, 8017, 9413, 11717, 12541, 25801, 27017, 36313, 43793, 51973, 53693, 55441, 59021, 64601, 80713, 85021, 96281, 100981, 123517, 128833, 139801, 160073, 169181, 175393, 181717 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS a(n) is congruent to 1 mod 4. LINKS MATHEMATICA Select[Table[14n^2+26n+13, {n, 0, 200}], PrimeQ] (* Harvey P. Dale, Jan 04 2011 *) PROG (MAGMA) [ a: n in [0..250] | IsPrime(a) where a is 14*n^2+26*n+13 ] [From Vincenzo Librandi, Apr 25 2010] CROSSREFS Cf. A176608, A176616. Sequence in context: A206444 A156156 A201486 * A254895 A195024 A071230 Adjacent sequences:  A176614 A176615 A176616 * A176618 A176619 A176620 KEYWORD easy,nonn AUTHOR Giovanni Teofilatto, Apr 22 2010 EXTENSIONS Definition made more precise by R. J. Mathar, May 04 2010 Corrected (inserted 13) and extended by Vincenzo Librandi, Apr 25 2010 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.

Last modified November 23 00:33 EST 2017. Contains 295107 sequences.