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!)

A090809 as a simple table

n a(n)
0 0
1 0
2 2
3 10
4 31
5 75
6 155
7 287
8 490
9 786
10 1200
11 1760
12 2497
13 3445
14 4641
15 6125
16 7940
17 10132
18 12750
19 15846
20 19475
21 23695
22 28567
23 34155
24 40526
25 47750
26 55900
27 65052
28 75285
29 86681
30 99325
31 113305
32 128712
33 145640
34 164186
35 184450
36 206535
37 230547

[0,0,2,10,31,75,155,287,490,786,1200,1760,2497,
 3445,4641,6125,7940,10132,12750,15846,19475,23695,
 28567,34155,40526,47750,55900,65052,75285,86681,
 99325,113305,128712,145640,164186,184450,206535,
 230547]

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 March 28 22:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)