Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A095371
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A095371 Number of decimal digits of those repunits (-1+10^n)/9 which set a new record for number of distinct prime factors. +0
3
2, 4, 6, 8, 10, 12, 14, 16, 18, 19, 20, 22, 23, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 57, 60, 62, 64, 66, 68, 69, 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 95, 96, 98, 100 (list; graph; listen)
OFFSET

1,1
EXAMPLE

19th = 1111111111111111111 is prime.

38th = 11.909090909090909091.1111111111111111111,

57th = 3.37.21319.10749631.1111111111111111111.3931123022305129377976519

CROSSREFS

Cf. A067063, A003020, A001221, A002275, A094370, A004023.

Sequence in context: A056964 A052008 A117463 this_sequence A055960 A007928 A092451

Adjacent sequences: A095368 A095369 A095370 this_sequence A095372 A095373 A095374

KEYWORD

nonn,more

AUTHOR

Labos E. (labos(AT)ana.sote.hu), Jun 04 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 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research

Legal Notice
© 2009 AT&T Intellectual Property. All Rights Reserved.