A006645 as tables, graphs or sounds

A006645 formatted as a simple table:

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`1`
`3`		`4`
`4`		`14`
`5`		`44`
`6`		`131`
`7`		`376`
`8`		`1052`
`9`		`2888`
`10`		`7813`
`11`		`20892`
`12`		`55338`
`13`		`145428`
`14`		`379655`
`15`		`985520`
`16`		`2545720`
`17`		`6547792`
`18`		`16777993`
`19`		`42847988`
`20`		`109099078`
`21`		`277040572`
`22`		`701794187`
`23`		`1773851304`
`24`		`4474555476`
`25`		`11266301976`
`26`		`28318897549`
`27`		`71070913036`
`28`		`178106093666`

[0,0,1,4,14,44,131,376,1052,2888,7813,20892,55338, 145428,379655,985520,2545720,6547792,16777993, 42847988,109099078,277040572,701794187,1773851304, 4474555476,11266301976,28318897549,71070913036, 178106093666]

Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research