A007489 as tables, graphs or sounds

A007489 formatted as a simple table:

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`3`
`3`		`9`
`4`		`33`
`5`		`153`
`6`		`873`
`7`		`5913`
`8`		`46233`
`9`		`409113`
`10`		`4037913`
`11`		`43954713`
`12`		`522956313`
`13`		`6749977113`
`14`		`93928268313`
`15`		`1401602636313`
`16`		`22324392524313`
`17`		`378011820620313`
`18`		`6780385526348313`
`19`		`128425485935180313`
`20`		`2561327494111820313`
`21`		`53652269665821260313`

[0,1,3,9,33,153,873,5913,46233,409113,4037913, 43954713,522956313,6749977113,93928268313, 1401602636313,22324392524313,378011820620313, 6780385526348313,128425485935180313, 2561327494111820313,53652269665821260313]

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

AT&T Labs Research