A115137 as tables, graphs or sounds

A115137 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`7`
`3`		`41`
`4`		`247`
`5`		`1545`
`6`		`9975`
`7`		`66057`
`8`		`446455`
`9`		`3067913`
`10`		`21372919`
`11`		`150618121`
`12`		`1071841271`
`13`		`7691763721`
`14`		`55600938999`
`15`		`404488323081`
`16`		`2959189475319`
`17`		`21757613309961`
`18`		`160691417776119`
`19`		`1191577871450121`
`20`		`8868160862158839`

[1,1,7,41,247,1545,9975,66057,446455,3067913, 21372919,150618121,1071841271,7691763721, 55600938999,404488323081,2959189475319, 21757613309961,160691417776119,1191577871450121, 8868160862158839]

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

AT&T Labs Research