The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

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

A009117 as a simple table

n a(n)
0 1
1 -2
2 8
3 -32
4 128
5 -512
6 2048
7 -8192
8 32768
9 -131072
10 524288
11 -2097152
12 8388608
13 -33554432
14 134217728
15 -536870912
16 2147483648
17 -8589934592
18 34359738368
19 -137438953472
20 549755813888
21 -2199023255552
22 8796093022208
23 -35184372088832
24 140737488355328
25 -562949953421312

[1,-2,8,-32,128,-512,2048,-8192,32768,-131072,
 524288,-2097152,8388608,-33554432,134217728,
 -536870912,2147483648,-8589934592,34359738368,
 -137438953472,549755813888,-2199023255552,
 8796093022208,-35184372088832,140737488355328,
 -562949953421312]

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 16 03:14 EDT 2024. Contains 372549 sequences. (Running on oeis4.)