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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A154592 Primes of the form 2n^2+18n+7, n>=0. 1
7, 79, 331, 727, 1951, 2347, 5479, 8287, 9907, 10771, 17827, 18979, 21391, 22651, 26647, 28051, 32479, 42307, 44071, 51487, 55411, 57427, 63691, 65851, 72547, 77191, 89431, 99871, 108079, 113731, 147391, 157327, 160711, 171079, 211867, 223747, 235951, 252727 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

7 together with the primes in A154591.

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..10000

MATHEMATICA

Select[Table[2n^2+18n+7, {n, 0, 2000}], PrimeQ]

PROG

(MAGMA) [a: n in [0..400] | IsPrime(a) where a is 2*n^2+18*n+7];

CROSSREFS

Cf. A154591, A142102.

Sequence in context: A201860 A176130 A014232 * A075896 A201475 A079911

Adjacent sequences:  A154589 A154590 A154591 * A154593 A154594 A154595

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Jan 12 2009

EXTENSIONS

Extended by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jul 26 2009

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

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

Last modified February 16 05:32 EST 2012. Contains 205860 sequences.