A340900 - OEIS

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

A340900 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`1`
`3`		`2`
`4`		`4`
`5`		`16`
`6`		`80`
`7`		`288`
`8`		`1728`
`9`		`12096`
`10`		`67392`
`11`		`525312`
`12`		`4783104`
`13`		`35942400`
`14`		`349056000`
`15`		`3891456000`
`16`		`36910080000`
`17`		`429981696000`
`18`		`5667397632000`
`19`		`64963067904000`
`20`		`883878137856000`
`21`		`13437405757440000`
`22`		`180681897811968000`
`23`		`2813727217287168000`
`24`		`48450827875516416000`

[1,0,1,2,4,16,80,288,1728,12096,67392,525312, 4783104,35942400,349056000,3891456000,36910080000, 429981696000,5667397632000,64963067904000, 883878137856000,13437405757440000, 180681897811968000,2813727217287168000, 48450827875516416000]

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 7 04:49 EDT 2024. Contains 375729 sequences. (Running on oeis4.)