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!)
A078745 Numbers k such that A049614(k) - A000040(k) is prime. 1

%I #12 Jan 09 2021 03:16:53

%S 6,7,8,15,23,36,93,117,121,131,150,310,433,896,1226,4439

%N Numbers k such that A049614(k) - A000040(k) is prime.

%o (PARI) is(k) = ispseudoprime(prod(i=1, k, i^!isprime(i)) - prime(k)); \\ _Jinyuan Wang_, Jan 09 2021

%Y Cf. A000040, A034386, A049614, A078744.

%K nonn,more

%O 1,1

%A _Jason Earls_, Dec 21 2002

%E a(16) from _Ryan Propper_, Feb 12 2007

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 16 00:27 EDT 2024. Contains 371696 sequences. (Running on oeis4.)