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!)
A157190 Primes which produce records in A157188, at index i=pi(a(n)) (pi=A000720). 5
2, 3, 59, 71, 1151, 2399, 7559, 42839, 110879, 181439, 241919, 262079, 453599, 665279, 1713599, 2827439, 6425999, 11309759, 12700799, 14137199, 16707599, 37837799, 45239039, 64864799, 82162079, 86486399, 93562559, 260124479, 410810399, 735134399, 950019839 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Primes that can be written in more ways as p*q-(p+q) (p,q prime) than any smaller prime.
LINKS
Carlos Rivera, Puzzle 482: Two Bergot questions, The Prime Puzzles & Problems Connection.
FORMULA
A157187(a(n)) = A157188(A000720(a(n))) > A157187(p) for all primes p < a(n).
CROSSREFS
Sequence in context: A141509 A054313 A080052 * A152657 A299172 A154253
KEYWORD
nonn
AUTHOR
M. F. Hasler, Mar 11 2009
EXTENSIONS
a(28) corrected by M. F. Hasler, Mar 15 2009
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 19 14:45 EDT 2024. Contains 372698 sequences. (Running on oeis4.)