A055476 as tables, graphs or sounds

A055476 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`20`
`2`		`400`
`3`		`13000`
`4`		`310000`
`5`		`11200000`
`6`		`224000000`
`7`		`10030000000`
`8`		`201100000000`
`9`		`4022000000000`
`10`		`130440000000000`
`11`		`3114300000000000`
`12`		`112341000000000000`
`13`		`2302320000000000000`
`14`		`101101400000000000000`
`15`		`2022033000000000000000`

[1,20,400,13000,310000,11200000,224000000, 10030000000,201100000000,4022000000000, 130440000000000,3114300000000000, 112341000000000000,2302320000000000000, 101101400000000000000,2022033000000000000000]

Last modified December 5 08:23 EST 2009. Contains 170348 sequences.

AT&T Labs Research