A030898 as tables, graphs or sounds

A030898 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`2`
`3`		`6`
`4`		`26`
`5`		`134`
`6`		`809`
`7`		`5669`
`8`		`45353`
`9`		`408184`
`10`		`4081844`
`11`		`44900294`
`12`		`538803530`
`13`		`7004445892`
`14`		`98062242500`
`15`		`1470933637503`
`16`		`23534938200055`
`17`		`400093949400940`
`18`		`7201691089216926`
`19`		`136832130695121608`
`20`		`2736642613902432167`

[1,2,6,26,134,809,5669,45353,408184,4081844, 44900294,538803530,7004445892,98062242500, 1470933637503,23534938200055,400093949400940, 7201691089216926,136832130695121608, 2736642613902432167]

Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

AT&T Labs Research