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!)

A214391 as a simple table

n a(n)
1 3
2 21
3 168
4 280
5 210
6 1365
7 42315
8 8463
9 45136
10 406224
11 253890
12 310310
13 744744
14 744744
15 94582488
16 661416
17 110236
18 21496020
19 924328860
20 7394630880
21 894750336480
22 5070251906720
23 5704033395060
24 6375096147420
25 6375096147420
26 2550038458968
27 2550038458968

[3,21,168,280,210,1365,42315,8463,45136,406224,
 253890,310310,744744,744744,94582488,661416,
 110236,21496020,924328860,7394630880,894750336480,
 5070251906720,5704033395060,6375096147420,
 6375096147420,2550038458968,2550038458968]

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 March 28 07:48 EDT 2024. Contains 371235 sequences. (Running on oeis4.)