A002501 as tables, graphs or sounds

A002501 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`19`
`3`		`205`
`4`		`1795`
`5`		`14221`
`6`		`106819`
`7`		`778765`
`8`		`5581315`
`9`		`39606541`
`10`		`279447619`
`11`		`1965098125`
`12`		`13792018435`
`13`		`96690872461`
`14`		`677427332419`
`15`		`4744368982285`
`16`		`33220131761155`
`17`		`232579232659981`
`18`		`1628208214321219`
`19`		`11398072876175245`

[1,19,205,1795,14221,106819,778765,5581315, 39606541,279447619,1965098125,13792018435, 96690872461,677427332419,4744368982285, 33220131761155,232579232659981,1628208214321219, 11398072876175245]

Last modified December 9 14:43 EST 2009. Contains 170430 sequences.

AT&T Labs Research