BBC Russian

Svoboda | Graniru | BBC Russia | Golosameriki | Facebook

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

A000170 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`0`
`3`		`0`
`4`		`2`
`5`		`10`
`6`		`4`
`7`		`40`
`8`		`92`
`9`		`352`
`10`		`724`
`11`		`2680`
`12`		`14200`
`13`		`73712`
`14`		`365596`
`15`		`2279184`
`16`		`14772512`
`17`		`95815104`
`18`		`666090624`
`19`		`4968057848`
`20`		`39029188884`
`21`		`314666222712`
`22`		`2691008701644`
`23`		`24233937684440`
`24`		`227514171973736`
`25`		`2207893435808352`
`26`		`22317699616364044`
`27`		`234907967154122528`

[1,1,0,0,2,10,4,40,92,352,724,2680,14200,73712, 365596,2279184,14772512,95815104,666090624, 4968057848,39029188884,314666222712,2691008701644, 24233937684440,227514171973736,2207893435808352, 22317699616364044,234907967154122528]

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 7 01:21 EDT 2024. Contains 375002 sequences. (Running on oeis4.)