A129557 as tables, graphs or sounds

A129557 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`4`
`3`		`34`
`4`		`151`
`5`		`1291`
`6`		`5734`
`7`		`49024`
`8`		`217741`
`9`		`1861621`
`10`		`8268424`
`11`		`70692574`
`12`		`313982371`
`13`		`2684456191`
`14`		`11923061674`
`15`		`101938642684`
`16`		`452762361241`
`17`		`3870983965801`
`18`		`17193046665484`
`19`		`146995452057754`
`20`		`652883010927151`
`21`		`5581956194228851`

[1,4,34,151,1291,5734,49024,217741,1861621, 8268424,70692574,313982371,2684456191,11923061674, 101938642684,452762361241,3870983965801, 17193046665484,146995452057754,652883010927151, 5581956194228851]

Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

AT&T Labs Research