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!)

A211581 as a simple table

n a(n)
1 25
2 125
3 457
4 1353
5 3771
6 10123
7 26785
8 70815
9 187485
10 501357
11 1349215
12 3674445
13 10074585
14 27914969
15 77778359
16 218513889
17 616455627
18 1749899177
19 4982262575
20 14249870589
21 40844847989
22 117464523359
23 338353979903
24 977015700789

[25,125,457,1353,3771,10123,26785,70815,187485,
 501357,1349215,3674445,10074585,27914969,77778359,
 218513889,616455627,1749899177,4982262575,
 14249870589,40844847989,117464523359,338353979903,
 977015700789]

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 24 13:58 EDT 2024. Contains 371960 sequences. (Running on oeis4.)