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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
OFFSET
1,1
LINKS
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
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 25 2013
STATUS
approved