A104965 Primes from merging of 9 successive digits in decimal expansion of cos(1).

305868139, 971740093, 297660373, 110039477, 717645179, 518560871, 343571731, 173116003, 978606337, 633760021, 122654173, 584717971, 513932543, 433594351, 154327549, 917751151, 513122273, 100631357, 707823223, 151746899, 174689959

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