A049027 as tables, graphs or sounds

A049027 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`4`
`3`		`17`
`4`		`74`
`5`		`326`
`6`		`1446`
`7`		`6441`
`8`		`28770`
`9`		`128750`
`10`		`576944`
`11`		`2587850`
`12`		`11615932`
`13`		`52167688`
`14`		`234383146`
`15`		`1053386937`
`16`		`4735393794`
`17`		`21291593238`
`18`		`95747347176`
`19`		`430624242942`
`20`		`1936925461644`
`21`		`8712882517188`
`22`		`39195738193836`
`23`		`176335080590442`

[1,1,4,17,74,326,1446,6441,28770,128750,576944, 2587850,11615932,52167688,234383146,1053386937, 4735393794,21291593238,95747347176,430624242942, 1936925461644,8712882517188,39195738193836, 176335080590442]

Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

AT&T Labs Research