A070968 as tables, graphs or sounds

A070968 formatted as a simple table:

`n`		`a(n)`
`1`		`0`
`2`		`1`
`3`		`15`
`4`		`204`
`5`		`3940`
`6`		`113865`
`7`		`4662231`
`8`		`256485040`
`9`		`18226108944`
`10`		`1623855701385`
`11`		`177195820499335`
`12`		`23237493232953516`
`13`		`3605437233380095620`
`14`		`653193551573628900289`
`15`		`136634950180317224866335`

[0,1,15,204,3940,113865,4662231,256485040, 18226108944,1623855701385,177195820499335, 23237493232953516,3605437233380095620, 653193551573628900289,136634950180317224866335]

Last modified December 13 23:45 EST 2009. Contains 170824 sequences.

AT&T Labs Research