A104951 Primes from merging of 8 successive digits in decimal expansion of the Champernowne Constant.

23456789, 56789101, 11213141, 14151617, 41516171, 20212223, 82930313, 13233343, 34353637, 58596061, 64656667, 66768697, 76869707, 17273747, 47576777, 88990919, 10911011, 11112113, 21131141, 31141151, 21231241

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[500]], 8, 1], PrimeQ], IntegerLength[#] == 8&] (* Vincenzo Librandi, Apr 24 2013 *)

Crossrefs

Cf. A033307.

Sequence in context: A097617 A160402 A243364 * A235971 A187551 A204152

Adjacent sequences: A104948 A104949 A104950 * A104952 A104953 A104954

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