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!)

A218059 as a simple table

n a(n)
1 4
2 18
3 74
4 308
5 1282
6 5338
7 22228
8 92562
9 385450
10 1605108
11 6684066
12 27834106
13 115908116
14 482670130
15 2009958090
16 8369963828
17 34854604610
18 145143215386
19 604412335444
20 2516922821842
21 10481090672106
22 43645860224116

[4,18,74,308,1282,5338,22228,92562,385450,1605108,
 6684066,27834106,115908116,482670130,2009958090,
 8369963828,34854604610,145143215386,604412335444,
 2516922821842,10481090672106,43645860224116]

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 6 02:22 EDT 2024. Contains 372290 sequences. (Running on oeis4.)