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!)

A281891 as a simple table

n a(n)
0 1
1 0
2 1
3 0
4 1
5 1
6 0
7 1
8 4
9 1
10 0
11 1
12 14
13 22
14 1
15 0
16 1
17 46
18 412
19 162
20 1
21 0
22 1
23 146
24 7072
25 22164
26 1830
27 1
28 0
29 1
30 454
31 115432
32 2744088
33 2822340
34 24270
35 1
36 0
37 1
38 1394
39 1827592
40 319881696
41 3913037880
42 496348740
43 418350
44 1
45 0
46 1
47 4246
48 28390552
49 35924741232
50 5079363328560
51 9082206410040
52 147569907780
53 8040810
54 1

[1,0,1,0,1,1,0,1,4,1,0,1,14,22,1,0,1,46,412,162,1,
 0,1,146,7072,22164,1830,1,0,1,454,115432,2744088,
 2822340,24270,1,0,1,1394,1827592,319881696,
 3913037880,496348740,418350,1,0,1,4246,28390552,
 35924741232,5079363328560,9082206410040,
 147569907780,8040810,1]

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 23 14:50 EDT 2024. Contains 372763 sequences. (Running on oeis4.)