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!)

A333107 as a simple table

n a(n)
0 0
1 0
2 1
3 4
4 16
5 56
6 190
7 637
8 2131
9 7156
10 24215
11 82758
12 285991
13 999715
14 3534394
15 12631420
16 45601759
17 166169360
18 610650687
19 2261234467
20 8430749631
21 31625520000
22 119281312293
23 452077280484
24 1720796968459
25 6575385383602
26 25212139233077
27 96970372087853

[0,0,1,4,16,56,190,637,2131,7156,24215,82758,
 285991,999715,3534394,12631420,45601759,166169360,
 610650687,2261234467,8430749631,31625520000,
 119281312293,452077280484,1720796968459,
 6575385383602,25212139233077,96970372087853]

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 July 22 08:14 EDT 2024. Contains 374481 sequences. (Running on oeis4.)