A053142 as tables, graphs or sounds

A053142 formatted as a simple table:

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`7`
`3`		`42`
`4`		`246`
`5`		`1435`
`6`		`8365`
`7`		`48756`
`8`		`284172`
`9`		`1656277`
`10`		`9653491`
`11`		`56264670`
`12`		`327934530`
`13`		`1911342511`
`14`		`11140120537`
`15`		`64929380712`
`16`		`378436163736`
`17`		`2205687601705`
`18`		`12855689446495`
`19`		`74928449077266`
`20`		`436715005017102`

[0,1,7,42,246,1435,8365,48756,284172,1656277, 9653491,56264670,327934530,1911342511,11140120537, 64929380712,378436163736,2205687601705, 12855689446495,74928449077266,436715005017102]

Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

AT&T Labs Research