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!)

A207809 as a simple table

n a(n)
1 10
2 100
3 370
4 1970
5 9040
6 43990
7 209050
8 1002960
9 4793390
10 22944590
11 109759520
12 525189790
13 2512723030
14 12022412680
15 57521607650
16 275215898890
17 1316784620900
18 6300231318630
19 30143802148430
20 144224703156300
21 690051081572450

[10,100,370,1970,9040,43990,209050,1002960,
 4793390,22944590,109759520,525189790,2512723030,
 12022412680,57521607650,275215898890,
 1316784620900,6300231318630,30143802148430,
 144224703156300,690051081572450]

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.)