A147719 as tables, graphs or sounds

A147719 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`2`
`4`		`6`
`5`		`21`
`6`		`91`
`7`		`462`
`8`		`2646`
`9`		`16841`
`10`		`117931`
`11`		`900922`
`12`		`7456086`
`13`		`66453661`
`14`		`634585771`
`15`		`6463837382`
`16`		`69955114326`
`17`		`801626558481`
`18`		`9696295037611`
`19`		`123457062745842`
`20`		`1650499351041366`
`21`		`23116291464379301`
`22`		`338474628835617451`

[1,1,1,2,6,21,91,462,2646,16841,117931,900922, 7456086,66453661,634585771,6463837382,69955114326, 801626558481,9696295037611,123457062745842, 1650499351041366,23116291464379301, 338474628835617451]

Last modified December 4 12:48 EST 2009. Contains 170310 sequences.

AT&T Labs Research