A074664 as tables, graphs or sounds

A074664 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`2`
`4`		`6`
`5`		`22`
`6`		`92`
`7`		`426`
`8`		`2146`
`9`		`11624`
`10`		`67146`
`11`		`411142`
`12`		`2656052`
`13`		`18035178`
`14`		`128318314`
`15`		`954086192`
`16`		`7396278762`
`17`		`59659032142`
`18`		`499778527628`
`19`		`4341025729290`
`20`		`39035256389026`
`21`		`362878164902216`
`22`		`3482882959111530`
`23`		`34472032118214598`

[1,1,2,6,22,92,426,2146,11624,67146,411142, 2656052,18035178,128318314,954086192,7396278762, 59659032142,499778527628,4341025729290, 39035256389026,362878164902216,3482882959111530, 34472032118214598]

Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research