A144040 as tables, graphs or sounds

A144040 formatted as a simple table:

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`1`
`3`		`9`
`4`		`53`
`5`		`401`
`6`		`2967`
`7`		`23659`
`8`		`192615`
`9`		`1613687`
`10`		`13769538`
`11`		`119419761`
`12`		`1049154071`
`13`		`9318828138`
`14`		`83541286988`
`15`		`754920397795`
`16`		`6869170162829`
`17`		`62884110339333`
`18`		`578768613062948`
`19`		`5352307127138701`
`20`		`49708821972158231`
`21`		`463445557084360740`

[0,1,1,9,53,401,2967,23659,192615,1613687, 13769538,119419761,1049154071,9318828138, 83541286988,754920397795,6869170162829, 62884110339333,578768613062948,5352307127138701, 49708821972158231,463445557084360740]

Last modified December 10 12:37 EST 2009. Contains 170569 sequences.

AT&T Labs Research