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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A259866 Primes of the form 3*10^n + 1. 2

%I

%S 31,3001,30000001,30000000001,30000000000000000000000000001,

%T 3000000000000000000000000000000000001,

%U 30000000000000000000000000000000000000000000000000000000000000000001

%N Primes of the form 3*10^n + 1.

%H S. W. Golomb, <a href="http://www.jstor.org/stable/2005337">Properties of the sequence 3.2^n+1</a>, Math. Comp., 30 (1976), 657-663.

%H S. W. Golomb, <a href="/A004119/a004119.pdf">Properties of the sequence 3.2^n+1</a>, Math. Comp., 30 (1976), 657-663. [Annotated scanned copy]

%F a(n) = 3*10^A056807(n)+1. - _R. J. Mathar_, Jul 15 2015

%Y Cf. A199683, A056807.

%K nonn

%O 1,1

%A _N. J. A. Sloane_, Jul 08 2015

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 July 18 15:44 EDT 2019. Contains 325144 sequences. (Running on oeis4.)