A007689 as tables, graphs or sounds

A007689 formatted as a simple table:

`n`		`a(n)`
`0`		`2`
`1`		`5`
`2`		`13`
`3`		`35`
`4`		`97`
`5`		`275`
`6`		`793`
`7`		`2315`
`8`		`6817`
`9`		`20195`
`10`		`60073`
`11`		`179195`
`12`		`535537`
`13`		`1602515`
`14`		`4799353`
`15`		`14381675`
`16`		`43112257`
`17`		`129271235`
`18`		`387682633`
`19`		`1162785755`
`20`		`3487832977`
`21`		`10462450355`
`22`		`31385253913`
`23`		`94151567435`
`24`		`282446313697`
`25`		`847322163875`

[2,5,13,35,97,275,793,2315,6817,20195,60073, 179195,535537,1602515,4799353,14381675,43112257, 129271235,387682633,1162785755,3487832977, 10462450355,31385253913,94151567435,282446313697, 847322163875]

Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

AT&T Labs Research