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!)

A271389 as a simple table

n a(n)
0 0
1 1
2 6
3 22
4 66
5 179
6 460
7 1148
8 2820
9 6869
10 16658
11 40306
12 97414
13 235303
14 568216
15 1371960
16 3312392
17 7997033
18 19306782
19 46610958
20 112529098
21 271669595
22 655868772
23 1583407668
24 3822684684
25 9228777661
26 22280240682
27 53789259754
28 129858760974
29 313506782543
30 756872326960

[0,1,6,22,66,179,460,1148,2820,6869,16658,40306,
 97414,235303,568216,1371960,3312392,7997033,
 19306782,46610958,112529098,271669595,655868772,
 1583407668,3822684684,9228777661,22280240682,
 53789259754,129858760974,313506782543,
 756872326960]

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 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)