Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A080075
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A080075 Proth numbers: of the form k*2^m + 1 for k odd, m >= 1 and 2^m > k. +0
7
3, 5, 9, 13, 17, 25, 33, 41, 49, 57, 65, 81, 97, 113, 129, 145, 161, 177, 193, 209, 225, 241, 257, 289, 321, 353, 385, 417, 449, 481, 513, 545, 577, 609, 641, 673, 705, 737, 769, 801, 833, 865, 897, 929, 961, 993, 1025, 1089, 1153, 1217, 1281, 1345, 1409 (list; graph; listen)
OFFSET

1,1

LINKS

Charles R Greathouse IV, Table of n, a(n) for n=1,...,10000.

Eric Weisstein's World of Mathematics, Proth Number

CROSSREFS

Cf. A080076, A112714.

Sequence in context: A096228 A061571 A049690 this_sequence A007664 A114395 A075314

Adjacent sequences: A080072 A080073 A080074 this_sequence A080076 A080077 A080078

KEYWORD

nonn

AUTHOR

Eric Weisstein (eric(AT)weisstein.com), Jan 24, 2003

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 29 12:46 EST 2009. Contains 167659 sequences.


AT&T Labs Research