Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A093634
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A093634 Primes of the form 9*10^n + R_n, where R_n is the repunit (A002275) of length n. +0
1
911, 911111, 911111111111111111111, 911111111111111111111111111111111111111111, 911111111111111111111111111111111111111111111111 (list; graph; listen)
OFFSET

1,1

LINKS

H. C. Williams, Some primes with interesting digit patterns, Math. Comp. vol 32 no 144 (1978) pp 1306-1310, Table 2, r=9.

CROSSREFS

Cf. A056726 (corresponding n).

Sequence in context: A068261 A119520 A145646 this_sequence A074887 A029897 A062335

Adjacent sequences: A093631 A093632 A093633 this_sequence A093635 A093636 A093637

KEYWORD

nonn

AUTHOR

Rick L. Shepherd (rshepherd2(AT)hotmail.com), Apr 06 2004

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


AT&T Labs Research