A104948 - OEIS

A104948

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

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 A330414 A237389

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