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!)

A236001 as a simple table

n a(n)
1 0
2 2
3 4
4 10
5 20
6 36
7 64
8 110
9 180
10 288
11 452
12 696
13 1052
14 1568
15 2304
16 3346
17 4808
18 6838
19 9636
20 13464
21 18664
22 25684
23 35104
24 47672
25 64348
26 86368
27 115304
28 153152
29 202452
30 266404
31 349032
32 455406
33 591856
34 766284
35 988544
36 1270862
37 1628380
38 2079828
39 2648296
40 3362180

[0,2,4,10,20,36,64,110,180,288,452,696,1052,1568,
 2304,3346,4808,6838,9636,13464,18664,25684,35104,
 47672,64348,86368,115304,153152,202452,266404,
 349032,455406,591856,766284,988544,1270862,
 1628380,2079828,2648296,3362180]

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 June 10 06:18 EDT 2024. Contains 373253 sequences. (Running on oeis4.)