A073771 as tables, graphs or sounds

A073771 formatted as a simple table:

`n`		`a(n)`
`1`		`4`
`2`		`36`
`3`		`48`
`4`		`240`
`5`		`720`
`6`		`1680`
`7`		`15120`
`8`		`20160`
`9`		`45360`
`10`		`50400`
`11`		`221760`
`12`		`498960`
`13`		`554400`
`14`		`665280`
`15`		`2882880`
`16`		`6486480`
`17`		`14414400`
`18`		`17297280`
`19`		`32432400`
`20`		`43243200`
`21`		`110270160`
`22`		`245044800`
`23`		`294053760`
`24`		`735134400`
`25`		`2095133040`
`26`		`2205403200`
`27`		`4655851200`

[4,36,48,240,720,1680,15120,20160,45360,50400, 221760,498960,554400,665280,2882880,6486480, 14414400,17297280,32432400,43243200,110270160, 245044800,294053760,735134400,2095133040, 2205403200,4655851200]

Last modified December 20 00:58 EST 2009. Contains 171054 sequences.

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