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!)

A033642 as a simple table

n a(n)
0 1
1 1
2 2
3 6
4 24
5 6
6 30
7 66
8 228
9 978
10 456
11 2412
12 5736
13 22032
14 99600
15 66096
16 364896
17 928080
18 3878928
19 18299952
20 15515712
21 88715520
22 239493888
23 1073343744
24 5251350528
25 239493888
26 1312837632
27 7877025792
28 23870571264
29 96795122688

[1,1,2,6,24,6,30,66,228,978,456,2412,5736,22032,
 99600,66096,364896,928080,3878928,18299952,
 15515712,88715520,239493888,1073343744,5251350528,
 239493888,1312837632,7877025792,23870571264,
 96795122688]

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 April 25 06:42 EDT 2024. Contains 371964 sequences. (Running on oeis4.)