A001609 as tables, graphs or sounds

A001609 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`4`
`4`		`5`
`5`		`6`
`6`		`10`
`7`		`15`
`8`		`21`
`9`		`31`
`10`		`46`
`11`		`67`
`12`		`98`
`13`		`144`
`14`		`211`
`15`		`309`
`16`		`453`
`17`		`664`
`18`		`973`
`19`		`1426`
`20`		`2090`
`21`		`3063`
`22`		`4489`
`23`		`6579`
`24`		`9642`
`25`		`14131`
`26`		`20710`
`27`		`30352`
`28`		`44483`
`29`		`65193`
`30`		`95545`
`31`		`140028`
`32`		`205221`
`33`		`300766`
`34`		`440794`
`35`		`646015`
`36`		`946781`
`37`		`1387575`
`38`		`2033590`
`39`		`2980371`
`40`		`4367946`
`41`		`6401536`
`42`		`9381907`

[1,1,4,5,6,10,15,21,31,46,67,98,144,211,309,453, 664,973,1426,2090,3063,4489,6579,9642,14131,20710, 30352,44483,65193,95545,140028,205221,300766, 440794,646015,946781,1387575,2033590,2980371, 4367946,6401536,9381907]

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

AT&T Labs Research