A000667 as tables, graphs or sounds

A000667 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`4`
`3`		`9`
`4`		`24`
`5`		`77`
`6`		`294`
`7`		`1309`
`8`		`6664`
`9`		`38177`
`10`		`243034`
`11`		`1701909`
`12`		`13001604`
`13`		`107601977`
`14`		`959021574`
`15`		`9157981309`
`16`		`93282431344`
`17`		`1009552482977`
`18`		`11568619292914`
`19`		`139931423833509`
`20`		`1781662223749884`
`21`		`23819069385695177`

[1,2,4,9,24,77,294,1309,6664,38177,243034,1701909, 13001604,107601977,959021574,9157981309, 93282431344,1009552482977,11568619292914, 139931423833509,1781662223749884, 23819069385695177]

Last modified December 20 00:58 EST 2009. Contains 171054 sequences.

AT&T Labs Research