A049070 as tables, graphs or sounds

A049070 formatted as a simple table:

`n`		`a(n)`
`0`		`0`
`1`		`2`
`2`		`27`
`3`		`224`
`4`		`1500`
`5`		`8910`
`6`		`49049`
`7`		`256256`
`8`		`1288872`
`9`		`6298500`
`10`		`30093910`
`11`		`141210432`
`12`		`652860520`
`13`		`2981331990`
`14`		`13472983125`
`15`		`60343756800`
`16`		`268187306640`
`17`		`1183875281820`
`18`		`5194996380090`
`19`		`22676052360000`
`20`		`98513956031400`
`21`		`426171522716940`
`22`		`1836562780483002`

[0,2,27,224,1500,8910,49049,256256,1288872, 6298500,30093910,141210432,652860520,2981331990, 13472983125,60343756800,268187306640, 1183875281820,5194996380090,22676052360000, 98513956031400,426171522716940,1836562780483002]

Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

AT&T Labs Research