A022015 as tables, graphs or sounds

A022015 formatted as a simple table:

`n`		`a(n)`
`0`		`2`
`1`		`6`
`2`		`19`
`3`		`61`
`4`		`197`
`5`		`633`
`6`		`2036`
`7`		`6548`
`8`		`21061`
`9`		`67737`
`10`		`217861`
`11`		`700699`
`12`		`2253638`
`13`		`7248306`
`14`		`23312507`
`15`		`74979305`
`16`		`241153657`
`17`		`775615161`
`18`		`2494587424`
`19`		`8023265560`
`20`		`25804984685`
`21`		`82995786381`
`22`		`266936820209`
`23`		`858540765611`

[2,6,19,61,197,633,2036,6548,21061,67737,217861, 700699,2253638,7248306,23312507,74979305, 241153657,775615161,2494587424,8023265560, 25804984685,82995786381,266936820209, 858540765611]

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

AT&T Labs Research