The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
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!)
A288676 Numbers k such that A108394(k) is not a prime. 1
5, 22, 25, 26, 31, 36, 39 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
A288641(a(n)) > A108394(a(n)).
a(8) > 61.
LINKS
Table of n, a(n) for n=1..7.
Eric Weisstein's World of Mathematics, Goebel's Sequence
EXAMPLE
a(1) = 5. So A288641(5) > A108394(5), that is 251 > 214.
CROSSREFS
Cf. A108394, A288641.
Sequence in context: A229801 A045015 A283758 * A085101 A350120 A290510
Adjacent sequences: A288673 A288674 A288675 * A288677 A288678 A288679
KEYWORD
nonn,more
AUTHOR
Seiichi Manyama, Jun 13 2017
STATUS
approved

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 14 05:21 EDT 2024. Contains 372528 sequences. (Running on oeis4.)