A005561 as tables, graphs or sounds - OEIS

A005561 formatted as a simple table:

`n`		`a(n)`
`3`		`1`
`4`		`4`
`5`		`24`
`6`		`84`
`7`		`392`
`8`		`1344`
`9`		`5760`
`10`		`19800`
`11`		`81675`
`12`		`283140`
`13`		`1145144`
`14`		`4008004`
`15`		`16032016`
`16`		`56632576`
`17`		`225059328`
`18`		`801773856`
`19`		`3173688180`
`20`		`11392726800`
`21`		`44986664800`

[1,4,24,84,392,1344,5760,19800,81675,283140, 1145144,4008004,16032016,56632576,225059328, 801773856,3173688180,11392726800,44986664800]

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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