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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: A157993 A175747 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

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Last modified June 25 08:25 EDT 2022. Contains 354835 sequences. (Running on oeis4.)