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!)

A020540 as a simple table

n a(n)
0 4
1 56
2 496
3 4064
4 32704
5 262016
6 2096896
7 16776704
8 134216704
9 1073739776
10 8589930496
11 68719468544
12 549755797504
13 4398046478336
14 35184372023296
15 281474976579584
16 2251799813423104
17 18014398508957696
18 144115188074807296

[4,56,496,4064,32704,262016,2096896,16776704,
 134216704,1073739776,8589930496,68719468544,
 549755797504,4398046478336,35184372023296,
 281474976579584,2251799813423104,
 18014398508957696,144115188074807296]

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 24 10:53 EDT 2024. Contains 371936 sequences. (Running on oeis4.)