A056397 - OEIS

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A056397 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`0`
`3`		`1`
`4`		`4`
`5`		`8`
`6`		`50`
`7`		`54`
`8`		`284`
`9`		`525`
`10`		`2370`
`11`		`2872`
`12`		`22748`
`13`		`21866`
`14`		`131750`
`15`		`298792`
`16`		`904918`
`17`		`1341518`
`18`		`10745090`
`19`		`10748218`
`20`		`72889084`
`21`		`145274556`
`22`		`522819590`
`23`		`713023210`
`24`		`5892634240`
`25`		`7059926605`
`26`		`35300985550`
`27`		`70604008204`

[0,0,1,4,8,50,54,284,525,2370,2872,22748,21866, 131750,298792,904918,1341518,10745090,10748218, 72889084,145274556,522819590,713023210,5892634240, 7059926605,35300985550,70604008204]

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Last modified May 21 16:16 EDT 2013. Contains 225504 sequences.