login
This site is supported by donations to The OEIS Foundation.

 

Logo


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

A000181 as a simple table

n a(n)
4 2
5 15
6 60
7 469
8 3660
9 32958
10 328920
11 3614490
12 43341822
13 563144725
14 7880897892
15 118177520295
16 1890389939000
17 32130521850972
18 578260307815920
19 10985555094348948
20 219687969344126490
21 4613039009310624795
22 101479234383619208204
23 2333872309936442446905

[2,15,60,469,3660,32958,328920,3614490,43341822,
 563144725,7880897892,118177520295,1890389939000,
 32130521850972,578260307815920,10985555094348948,
 219687969344126490,4613039009310624795,
 101479234383619208204,2333872309936442446905]

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

License Agreements, Terms of Use, Privacy Policy .

Last modified February 19 20:48 EST 2018. Contains 299357 sequences. (Running on oeis4.)