A027970 as tables, graphs or sounds

A027970 formatted as a simple table:

`n`		`a(n)`
`4`		`1`
`5`		`4`
`6`		`11`
`7`		`29`
`8`		`76`
`9`		`196`
`10`		`487`
`11`		`1148`
`12`		`2552`
`13`		`5353`
`14`		`10636`
`15`		`20120`
`16`		`36425`
`17`		`63415`
`18`		`106630`
`19`		`173821`
`20`		`275603`
`21`		`426242`
`22`		`644593`
`23`		`955207`
`24`		`1389626`
`25`		`1987886`
`26`		`2800249`
`27`		`3889186`
`28`		`5331634`
`29`		`7221551`
`30`		`9672794`
`31`		`12822346`
`32`		`16833919`
`33`		`21901961`
`34`		`28256096`

[1,4,11,29,76,196,487,1148,2552,5353,10636,20120, 36425,63415,106630,173821,275603,426242,644593, 955207,1389626,1987886,2800249,3889186,5331634, 7221551,9672794,12822346,16833919,21901961, 28256096]

Last modified December 10 00:48 EST 2009. Contains 170565 sequences.

AT&T Labs Research