Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A096452
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A096452 Primes p such that the number of primes q, 5 <= q < p, congruent to 1 mod 3, is one less than the number of such primes congruent to 2 mod 3. +0
2
7, 13, 19, 29, 37, 43, 53, 71, 79, 89, 101, 107, 113, 131, 163, 173, 223, 229, 239, 251, 383, 443, 1811, 1871, 1877, 1889 (list; graph; listen)
OFFSET

1,1

COMMENT

a(27) is larger than 382000000 and smaller than 608981813029 [Martin]. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 05 2007

Next term exceeds 29431850113. p=638228991 & q=638217955. [From Robert G. Wilson v (rgwv(AT)rgwv.com), Sep 20 2009]

LINKS

A. Granville, G. Martin, Prime number races, Amer. Math. Monthly vol 113, no 1 (2006) p 1.

G. D. Martin, Biases in the Shanks-Renyi prime number race, FoCM'02 Conference, Minneapolis, 5-14 Aug 2002.

MATHEMATICA

lst = {}; p = q = 0; r = 5; While[r < 10^5, If[ Mod[r, 3] == 2, p++, q++ ]; r = NextPrime@ r; If[p == q + 1, AppendTo[lst, r]; Print@ r]]; lst [From Robert G. Wilson v (rgwv(AT)rgwv.com), Sep 20 2009]

CROSSREFS

Cf. A096447-A096455.

Sequence in context: A004082 A039281 A045115 this_sequence A059647 A059310 A101324

Adjacent sequences: A096449 A096450 A096451 this_sequence A096453 A096454 A096455

KEYWORD

nonn,easy,more

AUTHOR

Yasutoshi Kohmoto (zbi74583(AT)boat.zero.ad.jp), Aug 12 2004

EXTENSIONS

More terms and better definition from Joshua Zucker (joshua.zucker(AT)stanfordalumni.org), May 21 2006

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


AT&T Labs Research