login
This site is supported by donations to The OEIS Foundation.

 

Logo

Invitation: celebrating 50 years of OEIS, 250000 sequences, and Sloane's 75th, there will be a conference at DIMACS, Rutgers, Oct 9-10 2014.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

A006515 as a simple table

n a(n)
1 3
2 7
3 31
4 127
5 2047
6 8191
7 131071
8 524287
9 8388607
10 2147483647
11 137438953471
12 2199023255551
13 576460752303423487
14 2305843009213693951
15 147573952589676412927

[3,7,31,127,2047,8191,131071,524287,8388607,
 2147483647,137438953471,2199023255551,
 576460752303423487,2305843009213693951,
 147573952589676412927]

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified September 23 08:24 EDT 2014. Contains 247114 sequences.