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!)

A293744 as a simple table

n a(n)
0 1
1 1
2 2
3 6
4 15
5 45
6 135
7 422
8 1357
9 4503
10 15301
11 53225
12 189070
13 684540
14 2522194
15 9441960
16 35867225
17 138080428
18 538155330
19 2121211604
20 8448577175
21 33974559322
22 137842934746
23 563885092371
24 2324435490519
25 9650120731330
26 40329864236526
27 169593208033062

[1,1,2,6,15,45,135,422,1357,4503,15301,53225,
 189070,684540,2522194,9441960,35867225,138080428,
 538155330,2121211604,8448577175,33974559322,
 137842934746,563885092371,2324435490519,
 9650120731330,40329864236526,169593208033062]

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 12:46 EDT 2024. Contains 371942 sequences. (Running on oeis4.)