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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A085873 a(1) = 2; a(n)= smallest prime of the form k*a(n-1) + 1 where k itself is a multiple of n. 2
2, 5, 31, 373, 22381, 134287, 3760037, 481284737, 25989375799, 6237450191761, 411671712656227, 64220787174371413, 73468580527480896473, 1028560127384732550623, 185140822929251859112141 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..15.

EXAMPLE

a(2)= 5 = 2*2 + 1, a(3) = 6*5 + 1, a(4) = 12*31 + 1; 2,6 and 12 are respectively multiples of 2, 3 and 4.

CROSSREFS

Sequence in context: A097396 A056788 A091859 * A303289 A051048 A163852

Adjacent sequences:  A085870 A085871 A085872 * A085874 A085875 A085876

KEYWORD

nonn

AUTHOR

Amarnath Murthy, Jul 07 2003

EXTENSIONS

More terms from Ray Chandler, Jul 08 2003

Corrected by T. D. Noe, Nov 15 2006

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 October 22 22:34 EDT 2019. Contains 328335 sequences. (Running on oeis4.)