login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

A171185 as a simple table

n a(n)
0 1
1 1
2 5
3 14
4 40
5 126
6 408
7 1332
8 4473
9 15377
10 53627
11 189724
12 680475
13 2467975
14 9038578
15 33399571
16 124400702
17 466619283
18 1761467038
19 6688059913
20 25527326897
21 97901917060
22 377123873505
23 1458573962761
24 5662223702216
25 22056563938599

[1,1,5,14,40,126,408,1332,4473,15377,53627,189724,
 680475,2467975,9038578,33399571,124400702,
 466619283,1761467038,6688059913,25527326897,
 97901917060,377123873505,1458573962761,
 5662223702216,22056563938599]

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified January 22 14:23 EST 2021. Contains 340362 sequences. (Running on oeis4.)