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!)
A124658 Even numbers k such that if a person is born in year k and lives not more than 100 years, then he never celebrates his prime birthday on a prime year. 0

%I #8 Jul 18 2021 06:39:56

%S 5246,5888,7702,7954,9952,9974,10342,10532,11986,12176,12688,13528,

%T 14968,15178,15832,16766,18692,18748,18804,19106,20822,21928,22486,

%U 22826,22886,24260,24272,24596,24868,25678,25708,26966,27134,27146

%N Even numbers k such that if a person is born in year k and lives not more than 100 years, then he never celebrates his prime birthday on a prime year.

%C For odd years, if a man is born on an odd year, his not being able to celebrate his prime birthday on a prime year is equivalent to the year of birth being an odd composite minus 2: A007921 Numbers that are not the difference of two primes.

%Y Cf. A007921.

%K nonn

%O 1,1

%A _Tanya Khovanova_, Dec 22 2006

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 24 02:46 EDT 2024. Contains 371917 sequences. (Running on oeis4.)