Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A068694
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A068694 Largest n-digit prime with all odd digits. +0
1
7, 97, 997, 9973, 99991, 999979, 9999991, 99999971, 999999937, 9999999557, 99999999977, 999999999959, 9999999999971, 99999999999973, 999999999999577, 9999999999999937, 99999999999999997, 999999999999999737 (list; graph; listen)
OFFSET

1,1

FORMULA

a(n)<=A003618(n). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), May 18 2007

CROSSREFS

Cf. A068690, A068691, A068692, A068693.

Cf. A003618.

Sequence in context: A114019 A127892 A125590 this_sequence A158579 A003618 A093172

Adjacent sequences: A068691 A068692 A068693 this_sequence A068695 A068696 A068697

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Mar 03 2002

EXTENSIONS

More terms from Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Mar 17 2002

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 25 20:09 EST 2009. Contains 167514 sequences.


AT&T Labs Research