

A104948


Primes from merging of 5 successive digits in decimal expansion of the Champernowne Constant.


1



67891, 89101, 10111, 11213, 15161, 52627, 29303, 30313, 33343, 35363, 36373, 14243, 54647, 70717, 75767, 76777, 98081, 58687, 78889, 89909, 93949, 96979, 21031, 41051, 51061, 71081, 10111, 12113, 11311, 11411, 18119, 22123, 11321
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OFFSET

1,1


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[200]], 5, 1], PrimeQ], IntegerLength[#] == 5&] (* Vincenzo Librandi, Apr 24 2013 *)


CROSSREFS

Cf. A033307.
Sequence in context: A247221 A224655 A234655 * A237807 A237389 A234662
Adjacent sequences: A104945 A104946 A104947 * A104949 A104950 A104951


KEYWORD

nonn,base


AUTHOR

Andrew G. West (WestA(AT)wlu.edu), Mar 29 2005


EXTENSIONS

Changed offset from 0 to 1 by Vincenzo Librandi, Apr 24 2013


STATUS

approved



