login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

A164575 as a simple table

n a(n)
0 0
1 0
2 4
3 12
4 56
5 240
6 1324
7 7392
8 49136
9 337920
10 2652244
11 21660672
12 196658216
13 1859020800
14 19192151164
15 206057828352
16 2385488163296
17 28669154426880
18 367966308562084
19 4893320282898432
20 68978503204900376
21 1005520890400604160
22 15445185289163949004
23 244890632417194278912

[0,0,4,12,56,240,1324,7392,49136,337920,2652244,
 21660672,196658216,1859020800,19192151164,
 206057828352,2385488163296,28669154426880,
 367966308562084,4893320282898432,
 68978503204900376,1005520890400604160,
 15445185289163949004,244890632417194278912]

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 29 20:42 EDT 2020. Contains 334710 sequences. (Running on oeis4.)