A007487 as tables, graphs or sounds

A007487 formatted as a simple table:

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`513`
`3`		`20196`
`4`		`282340`
`5`		`2235465`
`6`		`12313161`
`7`		`52666768`
`8`		`186884496`
`9`		`574304985`
`10`		`1574304985`
`11`		`3932252676`
`12`		`9092033028`
`13`		`19696532401`
`14`		`40357579185`
`15`		`78800938560`
`16`		`147520415296`
`17`		`266108291793`
`18`		`464467582161`
`19`		`787155279940`
`20`		`1299155279940`
`21`		`2093435326521`
`22`		`3300704544313`

[0,1,513,20196,282340,2235465,12313161,52666768, 186884496,574304985,1574304985,3932252676, 9092033028,19696532401,40357579185,78800938560, 147520415296,266108291793,464467582161, 787155279940,1299155279940,2093435326521, 3300704544313]

Last modified December 7 08:40 EST 2009. Contains 170430 sequences.

AT&T Labs Research