A158569 as tables, graphs or sounds

A158569 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`2`
`4`		`4`
`5`		`12`
`6`		`54`
`7`		`609`
`8`		`28656`
`9`		`14930351`
`10`		`365435296161`
`11`		`4660046610375530308`
`12`		`1454489111232772683678306641952`
`13`		`5789092068864820527338372482892113982249794889764`

[1,1,2,4,12,54,609,28656,14930351,365435296161, 4660046610375530308, 1454489111232772683678306641952, 5789092068864820527338372482892113982249794889764]

Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

AT&T Labs Research