login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 60th year, we have over 367,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

A248443 as a simple table

n a(n)
1 3372
2 11436
3 39072
4 133872
5 459276
6 1576148
7 5407584
8 18555016
9 63680912
10 218584848
11 750346316
12 2575822244
13 8842376738
14 30354462070
15 104202513840
16 357714016466
17 1227990754114
18 4215556651472
19 14471543850286
20 49679225175954

[3372,11436,39072,133872,459276,1576148,5407584,
 18555016,63680912,218584848,750346316,2575822244,
 8842376738,30354462070,104202513840,357714016466,
 1227990754114,4215556651472,14471543850286,
 49679225175954]

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 December 4 06:57 EST 2023. Contains 367557 sequences. (Running on oeis4.)