A104963 Primes from merging of 7 successive digits in decimal expansion of cos(1).

3058681, 7174009, 6074429, 9766037, 4206179, 7922227, 7744717, 4517951, 9343571, 9245513, 3932543, 5943517, 3757361, 4327549, 1754491, 7511513, 2227301, 3135707, 2322367, 2236771, 7873067, 4067587, 5111563, 7145689

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]], 7, 1], IntegerLength[#] == 7 && PrimeQ[#] &] (* Vincenzo Librandi, Apr 25 2013 *)

Crossrefs

Sequence in context: A281447 A246249 A183696 * A190462 A282746 A212854

Adjacent sequences: A104960 A104961 A104962 * A104964 A104965 A104966

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