A003457 as tables, graphs or sounds

A003457 formatted as a simple table:

`n`		`a(n)`
`1`		`0`
`2`		`1`
`3`		`0`
`4`		`1`
`5`		`0`
`6`		`1`
`7`		`0`
`8`		`1`
`9`		`-1`
`10`		`14`
`11`		`-140`
`12`		`1804`
`13`		`-27413`
`14`		`487469`
`15`		`-10026347`
`16`		`236192434`
`17`		`-6317862397`
`18`		`190439655627`
`19`		`-6425425249652`
`20`		`241207241774251`
`21`		`-10020155328258126`
`22`		`458387180159766539`
`23`		`-22989944171828251745`

[0,1,0,1,0,1,0,1,-1,14,-140,1804,-27413,487469, -10026347,236192434,-6317862397,190439655627, -6425425249652,241207241774251,-10020155328258126, 458387180159766539,-22989944171828251745]

Last modified December 4 15:11 EST 2009. Contains 170347 sequences.

AT&T Labs Research