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

 

Logo


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

A127540 as a simple table

n a(n)
0 0
1 1
2 2
3 7
4 21
5 69
6 228
7 773
8 2659
9 9275
10 32715
11 116511
12 418377
13 1513163
14 5507242
15 20155583
16 74131537
17 273862373
18 1015762117
19 3781095113
20 14121051487
21 52895245133
22 198681804877
23 748162728797
24 2823879525331
25 10681527145369

[0,1,2,7,21,69,228,773,2659,9275,32715,116511,
 418377,1513163,5507242,20155583,74131537,
 273862373,1015762117,3781095113,14121051487,
 52895245133,198681804877,748162728797,
 2823879525331,10681527145369]

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 15 20:11 EDT 2019. Contains 327086 sequences. (Running on oeis4.)