A087806 - OEIS

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

A087806 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`3`
`3`		`15`
`4`		`117`
`5`		`998`
`6`		`9335`
`7`		`93054`
`8`		`974085`
`9`		`10596336`
`10`		`118903599`
`11`		`1368808785`
`12`		`16099107057`
`13`		`192831403950`
`14`		`2346213458667`
`15`		`28938983482353`
`16`		`361243476790605`
`17`		`4557409523980664`
`18`		`58041112443611015`
`19`		`745468216328206179`
`20`		`9647990383169438001`
`21`		`125732717320525253430`

[1,0,3,15,117,998,9335,93054,974085,10596336, 118903599,1368808785,16099107057,192831403950, 2346213458667,28938983482353,361243476790605, 4557409523980664,58041112443611015, 745468216328206179,9647990383169438001, 125732717320525253430]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)