Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A101995
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A101995 4n-1 such that 4n-1, 8n-1, 16n-1, 32n-1 and 64n-1 are primes. +0
6
179, 53639, 63419, 126839, 127139, 254279, 296099, 340919, 607319, 810539, 1069199, 1122659, 1598699, 1621619, 1820999, 1866239, 1912679, 1920959, 2045339, 2138399, 2157899, 2245319, 2278079, 2357219, 2667779, 2865839 (list; graph; listen)
OFFSET

1,1

EXAMPLE

4*45-1=179, 8*45-1=359, 16*45-1=719, 32*45-1=1439 and 64*45-1=2879 are primes, so the first entry is 179.

CROSSREFS

Cf. A002515, A101794. Cf. A101994, A101996, A101997, A101998, A101999.

Sequence in context: A069796 A142968 A130736 this_sequence A036203 A053325 A119542

Adjacent sequences: A101992 A101993 A101994 this_sequence A101996 A101997 A101998

KEYWORD

easy,nonn

AUTHOR

Douglas Stones (dssto1(AT)student.monash.edu.au), Dec 23 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 30 22:12 EST 2008. Contains 150989 sequences.


AT&T Labs Research