A007178 as tables, graphs or sounds

A007178 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`3`
`4`		`13`
`5`		`75`
`6`		`525`
`7`		`4347`
`8`		`41245`
`9`		`441675`
`10`		`5259885`
`11`		`68958747`
`12`		`986533053`
`13`		`15292855019`
`14`		`255321427725`
`15`		`4567457001915`
`16`		`87156877087069`
`17`		`1767115200924299`
`18`		`37936303950503853`
`19`		`859663073472084315`
`20`		`20505904049009202685`
`21`		`513593410566661282347`

[1,1,3,13,75,525,4347,41245,441675,5259885, 68958747,986533053,15292855019,255321427725, 4567457001915,87156877087069,1767115200924299, 37936303950503853,859663073472084315, 20505904049009202685,513593410566661282347]

Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

AT&T Labs Research