login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo

Please make a donation to keep the OEIS running. We are now in our 56th year. In the past year we added 10000 new sequences and reached almost 9000 citations (which often say "discovered thanks to the OEIS").
Other ways to donate

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A106064 Primes p such that 1*p + 16 and 16*p + 1 are primes. 0
7, 37, 97, 151, 163, 181, 331, 337, 487, 547, 571, 643, 727, 757, 967, 1033, 1087, 1093, 1303, 1423, 1471, 1567, 1831, 1987, 2083, 2113, 2221, 2251, 2281, 2671, 2683, 3121, 3187, 3607, 3847, 3931, 4111, 4201, 4447, 4663, 4993, 5023, 5791, 6073, 6343, 6553 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..46.

MATHEMATICA

Select[Prime[Range[220]], PrimeQ[16#+1]&&PrimeQ[1#+16]&]

PROG

(MAGMA) [p: p in PrimesUpTo(10000)| IsPrime(p+16) and IsPrime(16*p+1)]; // Vincenzo Librandi, Nov 13 2010

CROSSREFS

Intersection of A049488 and A155943. - Michel Marcus, Jan 20 2018

Sequence in context: A107938 A154105 A159491 * A282001 A038862 A136204

Adjacent sequences:  A106061 A106062 A106063 * A106065 A106066 A106067

KEYWORD

nonn

AUTHOR

Zak Seidov, May 07 2005

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
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified December 5 12:04 EST 2020. Contains 338947 sequences. (Running on oeis4.)