login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

A172285 as a simple table

n a(n)
0 0
1 2
2 1
3 6
4 7
5 20
6 33
7 74
8 139
9 288
10 565
11 1142
12 2271
13 4556
14 9097
15 18210
16 36403
17 72824
18 145629
19 291278
20 582535
21 1165092
22 2330161
23 4660346
24 9320667
25 18641360
26 37282693
27 74565414
28 149130799
29 298261628
30 596523225
31 1193046482
32 2386092931
33 4772185896

[0,2,1,6,7,20,33,74,139,288,565,1142,2271,4556,
 9097,18210,36403,72824,145629,291278,582535,
 1165092,2330161,4660346,9320667,18641360,37282693,
 74565414,149130799,298261628,596523225,1193046482,
 2386092931,4772185896]

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 4 05:34 EDT 2020. Contains 333212 sequences. (Running on oeis4.)