A305543 - OEIS

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A305543 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`0`
`3`		`0`
`4`		`3`
`5`		`24`
`6`		`124`
`7`		`588`
`8`		`2487`
`9`		`10240`
`10`		`40488`
`11`		`158220`
`12`		`609078`
`13`		`2333520`
`14`		`8895204`
`15`		`33864364`
`16`		`128793627`
`17`		`490027200`
`18`		`1865625340`
`19`		`7110959340`
`20`		`27138210888`
`21`		`103717720000`
`22`		`396965694444`
`23`		`1521562700988`
`24`		`5840509760582`
`25`		`22450188684288`
`26`		`86412088367640`
`27`		`333035003543900`
`28`		`1285108410802038`
`29`		`4964755661788560`
`30`		`19201631174055992`

[0,0,0,3,24,124,588,2487,10240,40488,158220, 609078,2333520,8895204,33864364,128793627, 490027200,1865625340,7110959340,27138210888, 103717720000,396965694444,1521562700988, 5840509760582,22450188684288,86412088367640, 333035003543900,1285108410802038,4964755661788560, 19201631174055992]

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Last modified May 8 23:08 EDT 2024. Contains 372341 sequences. (Running on oeis4.)