A157588 as tables, graphs or sounds

A157588 formatted as a simple table:

`n`		`a(n)`
`2`		`1`
`3`		`9`
`4`		`54`
`5`		`18490`
`6`		`3080025`
`7`		`281083131`
`8`		`20455480647`
`9`		`1378645284663`
`10`		`90798695826120`
`11`		`5747081242763245`
`12`		`353783429708291517`
`13`		`21210677666294419836`
`14`		`1217797507802900629878`
`15`		`66543379957754376544455`

[1,9,54,18490,3080025,281083131,20455480647, 1378645284663,90798695826120,5747081242763245, 353783429708291517,21210677666294419836, 1217797507802900629878,66543379957754376544455]

Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research