login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A082282 a(1) = 2, a(n) is the smallest prime > n*a(n-1). 2

%I #8 Jun 14 2019 17:42:08

%S 2,5,17,71,359,2161,15131,121061,1089551,10895513,119850691,

%T 1438208297,18696707863,261753910123,3926308651849,62820938429593,

%U 1067955953303143,19223207159456609,365240936029675579

%N a(1) = 2, a(n) is the smallest prime > n*a(n-1).

%H Harvey P. Dale, <a href="/A082282/b082282.txt">Table of n, a(n) for n = 1..300</a>

%F a(n) = nextprime(n*a(n-1)).

%t nxt[{n_,a_}]:={n+1,NextPrime[a(n+1)]}; NestList[nxt,{1,2},20][[All,2]] (* _Harvey P. Dale_, Jun 14 2019 *)

%Y Cf. A077213.

%K nonn

%O 1,1

%A _Amarnath Murthy_, Apr 13 2003

%E More terms from _Vladeta Jovovic_, Apr 14 2003

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 19 07:38 EDT 2024. Contains 371782 sequences. (Running on oeis4.)