A013568 as tables, graphs or sounds

A013568 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`0`
`3`		`0`
`4`		`7`
`5`		`-665`
`6`		`219`
`7`		`-598`
`8`		`11570`
`9`		`-5357968`
`10`		`995254`
`11`		`-4960662`
`12`		`126624718`
`13`		`-783821598`
`14`		`22344623929`
`15`		`-166137700653`
`16`		`5222279193717`
`17`		`-16426560893778654`
`18`		`1561364880901471`
`19`		`-15643758252397591`

[1,0,0,0,7,-665,219,-598,11570,-5357968,995254, -4960662,126624718,-783821598,22344623929, -166137700653,5222279193717,-16426560893778654, 1561364880901471,-15643758252397591]

Last modified December 1 19:22 EST 2009. Contains 167811 sequences.

AT&T Labs Research