A131689 as tables, graphs or sounds

A131689 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`1`
`3`		`0`
`4`		`1`
`5`		`2`
`6`		`0`
`7`		`1`
`8`		`6`
`9`		`6`
`10`		`0`
`11`		`1`
`12`		`14`
`13`		`36`
`14`		`24`
`15`		`0`
`16`		`1`
`17`		`30`
`18`		`150`
`19`		`240`
`20`		`120`
`21`		`0`
`22`		`1`
`23`		`62`
`24`		`540`
`25`		`1560`
`26`		`1800`
`27`		`720`
`28`		`0`
`29`		`1`
`30`		`126`
`31`		`1806`
`32`		`8400`
`33`		`16800`
`34`		`15120`
`35`		`5040`
`36`		`0`
`37`		`1`
`38`		`254`
`39`		`5796`
`40`		`40824`
`41`		`126000`
`42`		`191520`
`43`		`141120`
`44`		`40320`
`45`		`0`
`46`		`1`
`47`		`510`
`48`		`18150`
`49`		`186480`
`50`		`834120`
`51`		`1905120`
`52`		`2328480`

[1,0,1,0,1,2,0,1,6,6,0,1,14,36,24,0,1,30,150,240, 120,0,1,62,540,1560,1800,720,0,1,126,1806,8400, 16800,15120,5040,0,1,254,5796,40824,126000,191520, 141120,40320,0,1,510,18150,186480,834120,1905120, 2328480]

Last modified December 4 23:11 EST 2009. Contains 170347 sequences.

AT&T Labs Research