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!)

A154280 as a simple table

n a(n)
0 0
1 1
2 1
3 1
4 2
5 1
6 4
7 2
8 6
9 4
10 9
11 12
12 13
13 48
14 17
15 192
16 21
17 768
18 26
19 3840
20 32
21 23040
22 39
23 161280
24 46
25 1128960
26 54
27 9031680
28 62
29 72253440
30 70
31 578027520
32 78
33 4624220160
34 87
35 41617981440
36 97
37 416179814400
38 108
39 4577977958400
40 120
41 54935735500800
42 132

[0,1,1,1,2,1,4,2,6,4,9,12,13,48,17,192,21,768,26,
 3840,32,23040,39,161280,46,1128960,54,9031680,62,
 72253440,70,578027520,78,4624220160,87,
 41617981440,97,416179814400,108,4577977958400,120,
 54935735500800,132]

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 20 06:19 EDT 2024. Contains 372703 sequences. (Running on oeis4.)