The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A104949 Primes from merging of 6 successive digits in decimal expansion of the Champernowne Constant. 2
 789101, 728293, 869707, 889909, 102103, 108109, 911011, 101111, 111121, 111211, 711811, 120121, 201211, 231241, 251261, 126127, 261271, 281291, 913013, 113213, 321331, 351361, 138139, 401411, 411421, 431441, 471481, 491501, 150151, 501511 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Initial zeros are not permitted, i.e., the resulting primes must be six digits in length. - Harvey P. Dale, Jul 18 2011 LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..1000 The first 2,800 digits of the Champernowne Constant as calculated at WorldWideSchool.org. MATHEMATICA Select[Select[FromDigits/@Partition[Flatten[IntegerDigits/@Range[500]], 6, 1], PrimeQ], IntegerLength[#]==6&] (* Harvey P. Dale, Jul 18 2011 *) CROSSREFS Cf. A007376, A033307. Sequence in context: A175747 A355707 A115175 * A237895 A187295 A234244 Adjacent sequences: A104946 A104947 A104948 * A104950 A104951 A104952 KEYWORD nonn,base AUTHOR Andrew G. West (WestA(AT)wlu.edu), Mar 29 2005 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.

Last modified March 25 03:37 EDT 2023. Contains 361511 sequences. (Running on oeis4.)