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!)

A249875 as a simple table

n a(n)
1 3
2 6
3 34
4 136
5 498
6 2082
7 8146
8 32946
9 131058
10 524232
11 2096928
12 8387712
13 33550848
14 134226562
15 536859906
16 2147439624
17 8589943858
18 34359775432
19 137439101728
20 549756406912
21 2199022661826
22 8796090647304
23 35184374452498
24 140737497809992
25 562949943786834
26 2251799775147336

[3,6,34,136,498,2082,8146,32946,131058,524232,
 2096928,8387712,33550848,134226562,536859906,
 2147439624,8589943858,34359775432,137439101728,
 549756406912,2199022661826,8796090647304,
 35184374452498,140737497809992,562949943786834,
 2251799775147336]

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 April 16 01:40 EDT 2024. Contains 371696 sequences. (Running on oeis4.)