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!)
A350099 a(n) is the upper end of a record gap A349995(n) between consecutive odd squarefree semiprimes (A046388). 4

%I #16 Mar 01 2024 01:46:07

%S 21,33,111,287,2391,6583,8843,13733,15293,21619,36019,66961,113053,

%T 340941,783809,872279,3058917,3586913,5835265,12345557,108994713,

%U 248707009,268749791,679956221,709239737,3648864977,3790337843,4171420613,33955869829,34279038517,34840796509

%N a(n) is the upper end of a record gap A349995(n) between consecutive odd squarefree semiprimes (A046388).

%H Lucas A. Brown, <a href="/A350099/b350099.txt">Table of n, a(n) for n = 1..41</a> (first 34 terms from Hugo Pfoertner)

%H Lucas A. Brown, <a href="https://github.com/lucasaugustus/oeis/blob/main/A349995.py">Python program</a>.

%F a(n) = A350098(n) + A349995(n).

%e See A349995.

%Y Cf. A046388, A085809, A114057, A341828, A349995, A350098.

%K nonn

%O 1,1

%A _Hugo Pfoertner_, Dec 26 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 August 29 22:07 EDT 2024. Contains 375518 sequences. (Running on oeis4.)