A005320 as tables, graphs or sounds

A005320 formatted as a simple table:

`n`		`a(n)`
`0`		`0`
`1`		`3`
`2`		`12`
`3`		`45`
`4`		`168`
`5`		`627`
`6`		`2340`
`7`		`8733`
`8`		`32592`
`9`		`121635`
`10`		`453948`
`11`		`1694157`
`12`		`6322680`
`13`		`23596563`
`14`		`88063572`
`15`		`328657725`
`16`		`1226567328`
`17`		`4577611587`
`18`		`17083879020`
`19`		`63757904493`
`20`		`237947738952`
`21`		`888033051315`
`22`		`3314184466308`
`23`		`12368704813917`

[0,3,12,45,168,627,2340,8733,32592,121635,453948, 1694157,6322680,23596563,88063572,328657725, 1226567328,4577611587,17083879020,63757904493, 237947738952,888033051315,3314184466308, 12368704813917]

Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research