A005319 as tables, graphs or sounds

A005319 formatted as a simple table:

`n`		`a(n)`
`0`		`0`
`1`		`4`
`2`		`24`
`3`		`140`
`4`		`816`
`5`		`4756`
`6`		`27720`
`7`		`161564`
`8`		`941664`
`9`		`5488420`
`10`		`31988856`
`11`		`186444716`
`12`		`1086679440`
`13`		`6333631924`
`14`		`36915112104`
`15`		`215157040700`
`16`		`1254027132096`
`17`		`7309005751876`
`18`		`42600007379160`
`19`		`248291038523084`
`20`		`1447146223759344`
`21`		`8434586304032980`

[0,4,24,140,816,4756,27720,161564,941664,5488420, 31988856,186444716,1086679440,6333631924, 36915112104,215157040700,1254027132096, 7309005751876,42600007379160,248291038523084, 1447146223759344,8434586304032980]

Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

AT&T Labs Research