A104961 Primes from merging of 5 successive digits in decimal expansion of cos(1).

86813, 40093, 36607, 76603, 66037, 60373, 42061, 55381, 11003, 10039, 77447, 74471, 45179, 56087, 83089, 30893, 57173, 30089, 85847, 17971, 16447, 42331, 23311, 24551, 94351, 43517, 70289, 37573, 61543, 44917, 49177, 51151, 15131

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

The first 15,000 digits of Cos(1) as calculated by Simon Plouffe at WorldWideSchool.org.

Mathematica

 Select[FromDigits/@Partition[RealDigits[Cos[1], 10, 6500][[1]], 5, 1], PrimeQ[#]&&#>10000&] (* Vincenzo Librandi, Apr 24 2013 *)

Crossrefs

Sequence in context: A231322 A237783 A236353 * A216257 A237410 A206632

Adjacent sequences: A104958 A104959 A104960 * A104962 A104963 A104964

Keyword

nonn,base

Author

Andrew G. West (WestA(AT)wlu.edu), Mar 30 2005

Extensions

Offset changed from 0 to 1 by Vincenzo Librandi, Apr 24 2013

Status

approved