A056690 as tables, graphs or sounds

A056690 formatted as a simple table:

`n`		`a(n)`
`2`		`0`
`3`		`0`
`4`		`1`
`5`		`1`
`6`		`3`
`7`		`5`
`8`		`12`
`9`		`27`
`10`		`62`
`11`		`149`
`12`		`371`
`13`		`952`
`14`		`2513`
`15`		`6807`
`16`		`18873`
`17`		`53472`
`18`		`154554`
`19`		`455076`
`20`		`1363287`
`21`		`4150560`
`22`		`12829558`
`23`		`40227005`
`24`		`127843589`
`25`		`411512640`
`26`		`1340747909`
`27`		`4418886387`
`28`		`14724633149`
`29`		`49582195801`
`30`		`168638834537`
`31`		`579103599979`

[0,0,1,1,3,5,12,27,62,149,371,952,2513,6807,18873, 53472,154554,455076,1363287,4150560,12829558, 40227005,127843589,411512640,1340747909, 4418886387,14724633149,49582195801,168638834537, 579103599979]

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

AT&T Labs Research