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!)
A344881 Numbers such that A011772(k) > A011772(d) for all their proper divisors d. 7

%I #8 Jun 04 2021 04:44:05

%S 1,2,3,4,5,7,8,9,11,12,13,14,15,16,17,19,20,22,23,25,27,29,30,31,32,

%T 33,35,37,38,41,42,43,44,45,46,47,48,49,51,52,53,54,56,59,61,62,63,64,

%U 65,67,69,70,71,72,73,76,77,79,80,81,83,84,85,86,87,89,90,91,94,95,97,99,101,102,103,104,107,108,109,110

%N Numbers such that A011772(k) > A011772(d) for all their proper divisors d.

%Y Union of A000961 and A344883.

%Y Complement of A344882.

%Y Positions of 1's in A344590, in A344759, and in A344880 (characteristic function).

%K nonn

%O 1,2

%A _Antti Karttunen_, Jun 01 2021

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 May 4 19:41 EDT 2024. Contains 372257 sequences. (Running on oeis4.)