A001879 as tables, graphs or sounds

A001879 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`6`
`2`		`45`
`3`		`420`
`4`		`4725`
`5`		`62370`
`6`		`945945`
`7`		`16216200`
`8`		`310134825`
`9`		`6547290750`
`10`		`151242416325`
`11`		`3794809718700`
`12`		`102776096548125`
`13`		`2988412653476250`
`14`		`92854250304440625`
`15`		`3070380543400170000`
`16`		`107655217802968460625`
`17`		`3989575718580595893750`
`18`		`155815096120119939628125`

[1,6,45,420,4725,62370,945945,16216200,310134825, 6547290750,151242416325,3794809718700, 102776096548125,2988412653476250, 92854250304440625,3070380543400170000, 107655217802968460625,3989575718580595893750, 155815096120119939628125]

Last modified December 20 00:58 EST 2009. Contains 171054 sequences.

AT&T Labs Research