A007574 as tables, graphs or sounds

A007574 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`3`
`3`		`7`
`4`		`15`
`5`		`31`
`6`		`60`
`7`		`113`
`8`		`207`
`9`		`373`
`10`		`663`
`11`		`1167`
`12`		`2038`
`13`		`3537`
`14`		`6107`
`15`		`10499`
`16`		`17983`
`17`		`30703`
`18`		`52272`
`19`		`88769`
`20`		`150407`
`21`		`254321`
`22`		`429223`
`23`		`723167`
`24`		`1216490`
`25`		`2043361`
`26`		`3427635`
`27`		`5742463`
`28`		`9609327`
`29`		`16062463`
`30`		`26821668`
`31`		`44744657`

[1,3,7,15,31,60,113,207,373,663,1167,2038,3537, 6107,10499,17983,30703,52272,88769,150407,254321, 429223,723167,1216490,2043361,3427635,5742463, 9609327,16062463,26821668,44744657]

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

AT&T Labs Research