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!)

A105723 as a simple table

n a(n)
0 0
1 4
2 8
3 28
4 80
5 244
6 728
7 2188
8 6560
9 19684
10 59048
11 177148
12 531440
13 1594324
14 4782968
15 14348908
16 43046720
17 129140164
18 387420488
19 1162261468
20 3486784400
21 10460353204
22 31381059608
23 94143178828
24 282429536480
25 847288609444
26 2541865828328
27 7625597484988

[0,4,8,28,80,244,728,2188,6560,19684,59048,177148,
 531440,1594324,4782968,14348908,43046720,
 129140164,387420488,1162261468,3486784400,
 10460353204,31381059608,94143178828,282429536480,
 847288609444,2541865828328,7625597484988]

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 25 13:27 EDT 2024. Contains 371971 sequences. (Running on oeis4.)