A023923 as tables, graphs or sounds

A023923 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`0`
`3`		`0`
`4`		`0`
`5`		`0`
`6`		`0`
`7`		`0`
`8`		`0`
`9`		`0`
`10`		`0`
`11`		`24`
`12`		`0`
`13`		`0`
`14`		`0`
`15`		`0`
`16`		`0`
`17`		`0`
`18`		`0`
`19`		`0`
`20`		`132`
`21`		`0`
`22`		`0`
`23`		`0`
`24`		`132`
`25`		`0`
`26`		`0`
`27`		`440`
`28`		`0`
`29`		`0`
`30`		`0`
`31`		`0`
`32`		`990`
`33`		`0`
`34`		`0`
`35`		`2904`
`36`		`924`
`37`		`0`
`38`		`0`
`39`		`0`
`40`		`0`
`41`		`0`
`42`		`0`
`43`		`0`
`44`		`3984`
`45`		`0`
`46`		`0`
`47`		`0`
`48`		`2970`
`49`		`0`
`50`		`0`
`51`		`8184`
`52`		`0`
`53`		`0`
`54`		`0`
`55`		`0`
`56`		`12408`
`57`		`0`
`58`		`0`
`59`		`31152`
`60`		`7920`
`61`		`0`
`62`		`0`
`63`		`0`
`64`		`0`
`65`		`0`
`66`		`0`
`67`		`0`
`68`		`30360`
`69`		`0`
`70`		`0`
`71`		`0`
`72`		`19800`
`73`		`0`
`74`		`0`
`75`		`45144`
`76`		`0`

[1,0,0,0,0,0,0,0,0,0,0,24,0,0,0,0,0,0,0,0,132,0,0, 0,132,0,0,440,0,0,0,0,990,0,0,2904,924,0,0,0,0,0, 0,0,3984,0,0,0,2970,0,0,8184,0,0,0,0,12408,0,0, 31152,7920,0,0,0,0,0,0,0,30360,0,0,0,19800,0,0, 45144,0]

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

AT&T Labs Research