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A104965 Primes from merging of 9 successive digits in decimal expansion of cos(1). 2
305868139, 971740093, 297660373, 110039477, 717645179, 518560871, 343571731, 173116003, 978606337, 633760021, 122654173, 584717971, 513932543, 433594351, 154327549, 917751151, 513122273, 100631357, 707823223, 151746899, 174689959 (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]], 9, 1], IntegerLength[#] == 9&&PrimeQ[#]&] (* Vincenzo Librandi, Apr 25 2013 *)

CROSSREFS

Sequence in context: A182990 A022219 A285433 * A251807 A184671 A034610

Adjacent sequences:  A104962 A104963 A104964 * A104966 A104967 A104968

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 5 04:10 EST 2021. Contains 349530 sequences. (Running on oeis4.)