A074552 as tables, graphs or sounds

A074552 formatted as a simple table:

`n`		`a(n)`
`0`		`3`
`1`		`15`
`2`		`83`
`3`		`495`
`4`		`3107`
`5`		`20175`
`6`		`134003`
`7`		`903855`
`8`		`6161987`
`9`		`42326415`
`10`		`292299923`
`11`		`2026332015`
`12`		`14085959267`
`13`		`98111307855`
`14`		`684331371443`
`15`		`4778093436975`
`16`		`33385561506947`
`17`		`233393582580495`
`18`		`1632228682596563`
`19`		`11417969833962735`

[3,15,83,495,3107,20175,134003,903855,6161987, 42326415,292299923,2026332015,14085959267, 98111307855,684331371443,4778093436975, 33385561506947,233393582580495,1632228682596563, 11417969833962735]

Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

AT&T Labs Research