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!)

A253376 as a simple table

n a(n)
1 450
2 3111
3 22877
4 148389
5 945748
6 5125790
7 27587386
8 130018165
9 611215024
10 2593349603
11 10992085241
12 43067682706
13 168673810979
14 621760259909
15 2291824059768
16 8059474696068
17 28348577031630
18 96115434260034

[450,3111,22877,148389,945748,5125790,27587386,
 130018165,611215024,2593349603,10992085241,
 43067682706,168673810979,621760259909,
 2291824059768,8059474696068,28348577031630,
 96115434260034]

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 16:44 EST 2023. Contains 367563 sequences. (Running on oeis4.)