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A104964 Primes from merging of 8 successive digits in decimal expansion of Cos(1). 1
86813971, 97174009, 31042061, 47744717, 83089343, 78606337, 26541731, 47179711, 32543359, 35943517, 59435177, 89259637, 57361543, 44917751, 63135707, 35707823, 23223677, 36771401, 67873067, 62024507, 84272021 (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, 600][[1]], 8, 1], IntegerLength[#] == 8&&PrimeQ[#]&] (* Vincenzo Librandi Apr 25 2013 *)

CROSSREFS

Sequence in context: A185806 A115534 A138030 * A018787 A344804 A003825

Adjacent sequences:  A104961 A104962 A104963 * A104965 A104966 A104967

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 25 2013

STATUS

approved

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Last modified December 2 18:09 EST 2021. Contains 349445 sequences. (Running on oeis4.)