A086810 as tables, graphs or sounds

A086810 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`		`5`
`9`		`5`
`10`		`0`
`11`		`1`
`12`		`9`
`13`		`21`
`14`		`14`
`15`		`0`
`16`		`1`
`17`		`14`
`18`		`56`
`19`		`84`
`20`		`42`
`21`		`0`
`22`		`1`
`23`		`20`
`24`		`120`
`25`		`300`
`26`		`330`
`27`		`132`
`28`		`0`
`29`		`1`
`30`		`27`
`31`		`225`
`32`		`825`
`33`		`1485`
`34`		`1287`
`35`		`429`
`36`		`0`
`37`		`1`
`38`		`35`
`39`		`385`
`40`		`1925`
`41`		`5005`
`42`		`7007`
`43`		`5005`
`44`		`1430`
`45`		`0`
`46`		`1`
`47`		`44`
`48`		`616`
`49`		`4004`
`50`		`14014`
`51`		`28028`
`52`		`32032`
`53`		`19448`
`54`		`4862`
`55`		`0`
`56`		`1`
`57`		`54`
`58`		`936`
`59`		`7644`
`60`		`34498`
`61`		`91728`

[1,0,1,0,1,2,0,1,5,5,0,1,9,21,14,0,1,14,56,84,42, 0,1,20,120,300,330,132,0,1,27,225,825,1485,1287, 429,0,1,35,385,1925,5005,7007,5005,1430,0,1,44, 616,4004,14014,28028,32032,19448,4862,0,1,54,936, 7644,34498,91728]

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

AT&T Labs Research