A137505 as tables, graphs or sounds

A137505 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`0`
`3`		`2`
`4`		`0`
`5`		`0`
`6`		`4`
`7`		`-4`
`8`		`4`
`9`		`4`
`10`		`-12`
`11`		`20`
`12`		`-12`
`13`		`-12`
`14`		`52`
`15`		`-76`
`16`		`52`
`17`		`52`
`18`		`-204`
`19`		`308`
`20`		`-204`
`21`		`-204`
`22`		`820`
`23`		`-1228`
`24`		`820`
`25`		`820`
`26`		`-3276`
`27`		`4916`
`28`		`-3276`
`29`		`-3276`
`30`		`13108`
`31`		`-19660`
`32`		`13108`
`33`		`13108`
`34`		`-52428`
`35`		`78644`
`36`		`-52428`
`37`		`-52428`
`38`		`209716`
`39`		`-314572`
`40`		`209716`
`41`		`209716`
`42`		`-838860`
`43`		`1258292`
`44`		`-838860`
`45`		`-838860`
`46`		`3355444`
`47`		`-5033164`
`48`		`3355444`

[1,1,0,2,0,0,4,-4,4,4,-12,20,-12,-12,52,-76,52,52, -204,308,-204,-204,820,-1228,820,820,-3276,4916, -3276,-3276,13108,-19660,13108,13108,-52428,78644, -52428,-52428,209716,-314572,209716,209716, -838860,1258292,-838860,-838860,3355444,-5033164, 3355444]

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

AT&T Labs Research