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!)

A221911 as a simple table

n a(n)
0 1
1 18
2 99
3 756
4 6597
5 59094
6 531495
7 4783032
8 43046793
9 387420570
10 3486784491
11 31381059708
12 282429536589
13 2541865828446
14 22876792455087
15 205891132094784
16 1853020188851985
17 16677181699666722
18 150094635296999283 

[1,18,99,756,6597,59094,531495,4783032,43046793,
 387420570,3486784491,31381059708,282429536589,
 2541865828446,22876792455087,205891132094784,
 1853020188851985,16677181699666722,
 150094635296999283]

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 08:27 EDT 2024. Contains 371964 sequences. (Running on oeis4.)