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!)

A007550 as a simple table

n a(n)
1 1
2 4
3 20
4 127
5 967
6 8549
7 85829
8 962308
9 11895252
10 160475855
11 2343491207
12 36795832297
13 617662302441
14 11031160457672
15 208736299803440
16 4169680371133507
17 87648971646028515
18 1933298000313801349
19 44633323736412392093
20 1076069422794010119112

[1,4,20,127,967,8549,85829,962308,11895252,
 160475855,2343491207,36795832297,617662302441,
 11031160457672,208736299803440,4169680371133507,
 87648971646028515,1933298000313801349,
 44633323736412392093,1076069422794010119112]

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 01:06 EDT 2024. Contains 371964 sequences. (Running on oeis4.)