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!)
A217680 The number of iterations giving new primes for the bases of A217679. 3
2, 2, 1, 2, 4, 4, 2, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 3 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
For bases through 5, see the EXAMPLE to A217673. For base 170, see that for A217679. This is a full listing in the form 'base:{primes}' for those in between.
20:{4332833,172223,12113,2063},
22:{2197633,98929,9697,2017},
25:{2548003, 73303},
29:{1239661,33427},
39:{438887},
43:{371869},
46:{173629},
58:{244021},
70:{145753,3433},
85:{82903},
88:{114229},
89:{95881},
98:{79357},
99:{65921},
103:{30529},
105:{109883},
108:{96323},
116:{54751},
119:{40283},
122:{27541},
126:{117973,1277},
142:{92821},
144:{84466},
154:{66853}
LINKS
CROSSREFS
Sequence in context: A048299 A232084 A261359 * A144218 A098691 A324251
KEYWORD
nonn,base,fini,less
AUTHOR
James G. Merickel, Oct 10 2012
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 June 15 19:43 EDT 2024. Contains 373410 sequences. (Running on oeis4.)