A061552 as tables, graphs or sounds

A061552 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`6`
`4`		`23`
`5`		`103`
`6`		`513`
`7`		`2762`
`8`		`15793`
`9`		`94776`
`10`		`591950`
`11`		`3824112`
`12`		`25431452`
`13`		`173453058`
`14`		`1209639642`
`15`		`8604450011`
`16`		`62300851632`
`17`		`458374397312`
`18`		`3421888118907`
`19`		`25887131596018`
`20`		`198244731603623`
`21`		`1535346218316422`
`22`		`12015325816028313`

[1,1,2,6,23,103,513,2762,15793,94776,591950, 3824112,25431452,173453058,1209639642,8604450011, 62300851632,458374397312,3421888118907, 25887131596018,198244731603623,1535346218316422, 12015325816028313]

Last modified December 4 23:11 EST 2009. Contains 170347 sequences.

AT&T Labs Research