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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A089542 a(n) is the least semiprime > n^n. 4

%I

%S 4,4,33,259,3127,46661,823549,16777219,387420493,10000000003,

%T 285311670617,8916100448287,302875106592259,11112006825558019,

%U 437893890380859379,18446744073709551617,827240261886336764197,39346408075296537575443,1978419655660313589124007

%N a(n) is the least semiprime > n^n.

%F a(n) = n^n + A085753(n).

%Y Cf. A001358, A085753, A089539, A089543, A089544.

%K nonn

%O 1,1

%A _Ray Chandler_, Nov 09 2003

%E Name clarified by and more terms from _Jinyuan Wang_, Aug 01 2021

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 21 05:28 EDT 2021. Contains 348141 sequences. (Running on oeis4.)