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A104961 Primes from merging of 5 successive digits in decimal expansion of Cos(1). 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 (list; graph; refs; listen; history; text; internal format)
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

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

STATUS

approved

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Last modified April 15 08:18 EDT 2021. Contains 342977 sequences. (Running on oeis4.)