A047645 as tables, graphs or sounds

A047645 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`-20`
`3`		`190`
`4`		`-1140`
`5`		`4825`
`6`		`-15124`
`7`		`35320`
`8`		`-57760`
`9`		`45220`
`10`		`80560`
`11`		`-405954`
`12`		`910460`
`13`		`-1289340`
`14`		`852340`
`15`		`1259530`
`16`		`-5357924`
`17`		`10151510`
`18`		`-12048660`
`19`		`5883350`
`20`		`12186960`
`21`		`-40135713`
`22`		`66244280`
`23`		`-69648870`
`24`		`28191460`
`25`		`66920755`
`26`		`-195366168`
`27`		`300881530`

[1,-20,190,-1140,4825,-15124,35320,-57760,45220, 80560,-405954,910460,-1289340,852340,1259530, -5357924,10151510,-12048660,5883350,12186960, -40135713,66244280,-69648870,28191460,66920755, -195366168,300881530]

Last modified December 10 00:48 EST 2009. Contains 170565 sequences.

AT&T Labs Research