A057089 as tables, graphs or sounds

A057089 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`6`
`2`		`42`
`3`		`288`
`4`		`1980`
`5`		`13608`
`6`		`93528`
`7`		`642816`
`8`		`4418064`
`9`		`30365280`
`10`		`208700064`
`11`		`1434392064`
`12`		`9858552768`
`13`		`67757668992`
`14`		`465697330560`
`15`		`3200729997312`
`16`		`21998563967232`
`17`		`151195763787264`
`18`		`1039165966526976`
`19`		`7142170381885440`

[1,6,42,288,1980,13608,93528,642816,4418064, 30365280,208700064,1434392064,9858552768, 67757668992,465697330560,3200729997312, 21998563967232,151195763787264,1039165966526976, 7142170381885440]

Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

AT&T Labs Research