A068218 as tables, graphs or sounds

A068218 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`2`
`3`		`2`
`4`		`16`
`5`		`2`
`6`		`4`
`7`		`84`
`8`		`84`
`9`		`4`
`10`		`10`
`11`		`400`
`12`		`1056`
`13`		`400`
`14`		`10`
`15`		`28`
`16`		`1820`
`17`		`9184`
`18`		`9184`
`19`		`1820`
`20`		`28`
`21`		`84`
`22`		`8064`
`23`		`66276`
`24`		`126720`
`25`		`66276`
`26`		`8064`
`27`		`84`
`28`		`264`
`29`		`35112`
`30`		`426888`
`31`		`1329768`
`32`		`1329768`
`33`		`426888`
`34`		`35112`
`35`		`264`
`36`		`858`
`37`		`151008`
`38`		`2546544`
`39`		`11737440`
`40`		`19123776`
`41`		`11737440`

[1,2,2,2,16,2,4,84,84,4,10,400,1056,400,10,28, 1820,9184,9184,1820,28,84,8064,66276,126720,66276, 8064,84,264,35112,426888,1329768,1329768,426888, 35112,264,858,151008,2546544,11737440,19123776, 11737440]

Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research