A104946 Primes from merging of 3 successive digits in decimal expansion of the Champernowne Constant.

101, 131, 151, 617, 181, 223, 829, 293, 313, 233, 353, 373, 383, 839, 647, 859, 263, 727, 757, 677, 787, 283, 919, 929, 293, 991, 101, 103, 107, 109, 911, 101, 211, 113, 131, 311, 151, 181, 811, 191, 211, 241, 251, 127, 271, 281, 131, 311, 113, 331, 313

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]], 3, 1], PrimeQ], IntegerLength[#] == 3&] (* Vincenzo Librandi, Apr 24 2013 *)

Crossrefs

Cf. A033307.

Sequence in context: A085112 A059758 A158089 * A272075 A162463 A035790

Adjacent sequences: A104943 A104944 A104945 * A104947 A104948 A104949

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