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!)

A221577 as a simple table

n a(n)
1 16
2 345
3 4240
4 26911
5 117104
6 395641
7 1116400
8 2754635
9 6127696
10 12553189
11 24049616
12 43584535
13 75375280
14 125247281
15 201055024
16 313170691
17 475045520
18 703848925
19 1021190416
20 1453929359
21 2035077616
22 2804800105
23 3811518320

[16,345,4240,26911,117104,395641,1116400,2754635,
 6127696,12553189,24049616,43584535,75375280,
 125247281,201055024,313170691,475045520,703848925,
 1021190416,1453929359,2035077616,2804800105,
 3811518320]

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 July 20 17:18 EDT 2024. Contains 374459 sequences. (Running on oeis4.)