login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A093946 Primes of the form 6*10^n - 1. 0
5, 59, 599, 59999, 599999, 59999999, 59999999999, 59999999999999, 59999999999999999999999, 599999999999999999999999, 59999999999999999999999999999, 59999999999999999999999999999999999 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Equivalently, primes of the form 5*10^n + 9*R_n, where R_n is the repunit (A002275) of length n.

CROSSREFS

Cf. A056716 (corresponding n).

Sequence in context: A099151 A113055 A020468 * A001059 A120608 A143766

Adjacent sequences:  A093943 A093944 A093945 * A093947 A093948 A093949

KEYWORD

nonn

AUTHOR

Rick L. Shepherd (rshepherd2(AT)hotmail.com), Apr 17 2004

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 16 12:15 EST 2012. Contains 205909 sequences.