A087449 as tables, graphs or sounds

A087449 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`4`
`2`		`19`
`3`		`91`
`4`		`427`
`5`		`1963`
`6`		`8875`
`7`		`39595`
`8`		`174763`
`9`		`764587`
`10`		`3320491`
`11`		`14330539`
`12`		`61516459`
`13`		`262843051`
`14`		`1118481067`
`15`		`4742359723`
`16`		`20043180715`
`17`		`84467690155`
`18`		`355050629803`
`19`		`1488921995947`
`20`		`6230565890731`
`21`		`26021775190699`
`22`		`108485147273899`

[1,4,19,91,427,1963,8875,39595,174763,764587, 3320491,14330539,61516459,262843051,1118481067, 4742359723,20043180715,84467690155,355050629803, 1488921995947,6230565890731,26021775190699, 108485147273899]

Last modified November 27 14:50 EST 2009. Contains 167570 sequences.

AT&T Labs Research