A003698 as tables, graphs or sounds

A003698 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`9`
`3`		`53`
`4`		`341`
`5`		`2169`
`6`		`13825`
`7`		`88093`
`8`		`561357`
`9`		`3577121`
`10`		`22794425`
`11`		`145252485`
`12`		`925589701`
`13`		`5898117961`
`14`		`37584466929`
`15`		`239498796653`
`16`		`1526153708861`
`17`		`9725080775409`
`18`		`61970950592425`
`19`		`394896331045333`
`20`		`2516390514947637`

[1,9,53,341,2169,13825,88093,561357,3577121, 22794425,145252485,925589701,5898117961, 37584466929,239498796653,1526153708861, 9725080775409,61970950592425,394896331045333, 2516390514947637]

Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

AT&T Labs Research