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A104960 Primes from merging of 4 successive digits in decimal expansion of Cos(1). 1
3023, 8681, 6607, 4297, 6037, 2767, 5381, 3947, 6451, 4517, 5179, 7951, 3089, 9343, 4357, 3571, 5717, 6337, 1663, 5417, 7949, 2543, 3359, 3517, 7573, 1543, 4327, 7549, 5449, 1151, 2273, 7823, 3677, 6899, 7873, 3067, 4507, 5077, 8161, 5851, 6329, 2729 (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, 500][[1]], 4, 1], PrimeQ[#]&&#>1000&] (* Vincenzo Librandi, Apr 24 2013 *)

CROSSREFS

Sequence in context: A186394 A236200 A252620 * A255736 A231762 A034600

Adjacent sequences:  A104957 A104958 A104959 * A104961 A104962 A104963

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 February 25 12:53 EST 2021. Contains 341607 sequences. (Running on oeis4.)