A156769 as tables, graphs or sounds

A156769 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`3`
`3`		`15`
`4`		`315`
`5`		`2835`
`6`		`155925`
`7`		`6081075`
`8`		`638512875`
`9`		`10854718875`
`10`		`1856156927625`
`11`		`194896477400625`
`12`		`49308808782358125`
`13`		`3698160658676859375`
`14`		`1298054391195577640625`
`15`		`263505041412702261046875`

[1,3,15,315,2835,155925,6081075,638512875, 10854718875,1856156927625,194896477400625, 49308808782358125,3698160658676859375, 1298054391195577640625,263505041412702261046875]

Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

AT&T Labs Research