A028447 as tables, graphs or sounds

A028447 formatted as a simple table:

`n`		`a(n)`
`1`		`3`
`2`		`32`
`3`		`229`
`4`		`1845`
`5`		`14320`
`6`		`112485`
`7`		`880163`
`8`		`6895792`
`9`		`54003765`
`10`		`422983905`
`11`		`3312866080`
`12`		`25947198337`
`13`		`203223953179`
`14`		`1591695681488`
`15`		`12466511517581`
`16`		`97640484615909`
`17`		`764741896529104`
`18`		`5989627994067061`
`19`		`46912093390144139`

[3,32,229,1845,14320,112485,880163,6895792, 54003765,422983905,3312866080,25947198337, 203223953179,1591695681488,12466511517581, 97640484615909,764741896529104,5989627994067061, 46912093390144139]

Last modified December 11 12:57 EST 2009. Contains 170656 sequences.

AT&T Labs Research