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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A086381 Numbers n such that p=n^2+2 and p+2 are primes. 2
1, 3, 15, 33, 45, 57, 117, 147, 243, 255, 303, 375, 423, 447, 453, 477, 573, 753, 837, 897, 903, 1035, 1497, 1905, 2055, 2085, 2193, 2283, 2433, 2487, 2535, 2583, 2757, 2823, 2943, 2955, 3003, 3213, 3285, 3345, 3603, 3657, 3687, 4407, 4575, 4977, 5037, 5043, 5325, 5355, 5367, 5403, 5727 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

PROG

(MAGMA)[n: n in [0..10000]|IsPrime(n^2+2) and IsPrime(n^2+4)][From Vincenzo Librandi, Dec 16 2010]

CROSSREFS

Sequence in context: A031039 A152813 A184235 * A031091 A086380 A009261

Adjacent sequences:  A086378 A086379 A086380 * A086382 A086383 A086384

KEYWORD

easy,nonn

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), Sep 07 2003

EXTENSIONS

More terms from Vincenzo Librandi, Dec 16 2010

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 15 15:20 EST 2012. Contains 205823 sequences.